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Finding the Fourth Proportional to 102,364.90, 141,264.12 and 59,369.88

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Solution

The fourth proportional to 102,364.90, 141,264.12 and 59,369.88 is: 81,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,364.90 : 141,264.12 = 59,369.88 : x
  2. Step 2: Convert to fraction form
    102,364.90/141,264.12 = 59,369.88/x
  3. Step 3: Cross multiply
    102,364.90x = 141,264.12 × 59,369.88
  4. Step 4: Simplify right side
    102,364.90x = 8,386,833,852.71
  5. Step 5: Solve for x
    x = 8,386,833,852.71/102,364.90
  6. Step 6: Final answer
    x = 81,930.76

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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.