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Finding the Fourth Proportional to 106,901.88, 147,522.40 and 59,152.40

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Solution

The fourth proportional to 106,901.88, 147,522.40 and 59,152.40 is: 81,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.88 : 147,522.40 = 59,152.40 : x
  2. Step 2: Convert to fraction form
    106,901.88/147,522.40 = 59,152.40/x
  3. Step 3: Cross multiply
    106,901.88x = 147,522.40 × 59,152.40
  4. Step 4: Simplify right side
    106,901.88x = 8,726,304,013.76
  5. Step 5: Solve for x
    x = 8,726,304,013.76/106,901.88
  6. Step 6: Final answer
    x = 81,629.10

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1.5x scale

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.