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Finding the Fourth Proportional to 154,602.74, 231,830.81 and 59,877.28

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Solution

The fourth proportional to 154,602.74, 231,830.81 and 59,877.28 is: 89,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,602.74 : 231,830.81 = 59,877.28 : x
  2. Step 2: Convert to fraction form
    154,602.74/231,830.81 = 59,877.28/x
  3. Step 3: Cross multiply
    154,602.74x = 231,830.81 × 59,877.28
  4. Step 4: Simplify right side
    154,602.74x = 13,881,398,323.00
  5. Step 5: Solve for x
    x = 13,881,398,323.00/154,602.74
  6. Step 6: Final answer
    x = 89,787.53

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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.