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Finding the Fourth Proportional to 185,901.76, 256,545.84 and 101,019.16

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Solution

The fourth proportional to 185,901.76, 256,545.84 and 101,019.16 is: 139,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,901.76 : 256,545.84 = 101,019.16 : x
  2. Step 2: Convert to fraction form
    185,901.76/256,545.84 = 101,019.16/x
  3. Step 3: Cross multiply
    185,901.76x = 256,545.84 × 101,019.16
  4. Step 4: Simplify right side
    185,901.76x = 25,916,045,258.29
  5. Step 5: Solve for x
    x = 25,916,045,258.29/185,901.76
  6. Step 6: Final answer
    x = 139,407.21

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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.