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Finding the Fourth Proportional to 187,085.16, 280,630.17 and 62,426.16

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Solution

The fourth proportional to 187,085.16, 280,630.17 and 62,426.16 is: 93,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,085.16 : 280,630.17 = 62,426.16 : x
  2. Step 2: Convert to fraction form
    187,085.16/280,630.17 = 62,426.16/x
  3. Step 3: Cross multiply
    187,085.16x = 280,630.17 × 62,426.16
  4. Step 4: Simplify right side
    187,085.16x = 17,518,663,893.25
  5. Step 5: Solve for x
    x = 17,518,663,893.25/187,085.16
  6. Step 6: Final answer
    x = 93,640.05

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1.5x scale

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.