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Finding the Fourth Proportional to 159,812.64, 239,656.64 and 59,918.40

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Solution

The fourth proportional to 159,812.64, 239,656.64 and 59,918.40 is: 89,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,812.64 : 239,656.64 = 59,918.40 : x
  2. Step 2: Convert to fraction form
    159,812.64/239,656.64 = 59,918.40/x
  3. Step 3: Cross multiply
    159,812.64x = 239,656.64 × 59,918.40
  4. Step 4: Simplify right side
    159,812.64x = 14,359,842,118.58
  5. Step 5: Solve for x
    x = 14,359,842,118.58/159,812.64
  6. Step 6: Final answer
    x = 89,854.23

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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.