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Finding the Fourth Proportional to 107,152.50, 147,872.16 and 58,758.84

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Solution

The fourth proportional to 107,152.50, 147,872.16 and 58,758.84 is: 81,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,152.50 : 147,872.16 = 58,758.84 : x
  2. Step 2: Convert to fraction form
    107,152.50/147,872.16 = 58,758.84/x
  3. Step 3: Cross multiply
    107,152.50x = 147,872.16 × 58,758.84
  4. Step 4: Simplify right side
    107,152.50x = 8,688,795,630.19
  5. Step 5: Solve for x
    x = 8,688,795,630.19/107,152.50
  6. Step 6: Final answer
    x = 81,088.13

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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.