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Finding the Fourth Proportional to 129,510.59, 178,737.41 and 75,792.41

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Solution

The fourth proportional to 129,510.59, 178,737.41 and 75,792.41 is: 104,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,510.59 : 178,737.41 = 75,792.41 : x
  2. Step 2: Convert to fraction form
    129,510.59/178,737.41 = 75,792.41/x
  3. Step 3: Cross multiply
    129,510.59x = 178,737.41 × 75,792.41
  4. Step 4: Simplify right side
    129,510.59x = 13,546,937,788.41
  5. Step 5: Solve for x
    x = 13,546,937,788.41/129,510.59
  6. Step 6: Final answer
    x = 104,601.01

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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.