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Finding the Fourth Proportional to 115,266.59, 159,068.58 and 64,282.54

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Solution

The fourth proportional to 115,266.59, 159,068.58 and 64,282.54 is: 88,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,266.59 : 159,068.58 = 64,282.54 : x
  2. Step 2: Convert to fraction form
    115,266.59/159,068.58 = 64,282.54/x
  3. Step 3: Cross multiply
    115,266.59x = 159,068.58 × 64,282.54
  4. Step 4: Simplify right side
    115,266.59x = 10,225,332,035.18
  5. Step 5: Solve for x
    x = 10,225,332,035.18/115,266.59
  6. Step 6: Final answer
    x = 88,710.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.