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Finding the Fourth Proportional to 99,085,422.60, 148,628,133.90 and 99,085,422.60

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Solution

The fourth proportional to 99,085,422.60, 148,628,133.90 and 99,085,422.60 is: 148,628,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,085,422.60 : 148,628,133.90 = 99,085,422.60 : x
  2. Step 2: Convert to fraction form
    99,085,422.60/148,628,133.90 = 99,085,422.60/x
  3. Step 3: Cross multiply
    99,085,422.60x = 148,628,133.90 × 99,085,422.60
  4. Step 4: Simplify right side
    99,085,422.60x = 14,726,881,457,730,886
  5. Step 5: Solve for x
    x = 14,726,881,457,730,886/99,085,422.60
  6. Step 6: Final answer
    x = 148,628,133.90

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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.