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Finding the Fourth Proportional to 127,579,671.60, 191,369,507.40 and 127,579,671.60

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Solution

The fourth proportional to 127,579,671.60, 191,369,507.40 and 127,579,671.60 is: 191,369,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579,671.60 : 191,369,507.40 = 127,579,671.60 : x
  2. Step 2: Convert to fraction form
    127,579,671.60/191,369,507.40 = 127,579,671.60/x
  3. Step 3: Cross multiply
    127,579,671.60x = 191,369,507.40 × 127,579,671.60
  4. Step 4: Simplify right side
    127,579,671.60x = 24,414,858,908,345,768
  5. Step 5: Solve for x
    x = 24,414,858,908,345,768/127,579,671.60
  6. Step 6: Final answer
    x = 191,369,507.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.