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Finding the Fourth Proportional to 96,501.60, 144,687.60 and 51,530.40

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Solution

The fourth proportional to 96,501.60, 144,687.60 and 51,530.40 is: 77,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,501.60 : 144,687.60 = 51,530.40 : x
  2. Step 2: Convert to fraction form
    96,501.60/144,687.60 = 51,530.40/x
  3. Step 3: Cross multiply
    96,501.60x = 144,687.60 × 51,530.40
  4. Step 4: Simplify right side
    96,501.60x = 7,455,809,903.04
  5. Step 5: Solve for x
    x = 7,455,809,903.04/96,501.60
  6. Step 6: Final answer
    x = 77,261.00

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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.