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Finding the Fourth Proportional to 186,246.76, 257,020.74 and 101,363.72

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Solution

The fourth proportional to 186,246.76, 257,020.74 and 101,363.72 is: 139,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,246.76 : 257,020.74 = 101,363.72 : x
  2. Step 2: Convert to fraction form
    186,246.76/257,020.74 = 101,363.72/x
  3. Step 3: Cross multiply
    186,246.76x = 257,020.74 × 101,363.72
  4. Step 4: Simplify right side
    186,246.76x = 26,052,578,323.55
  5. Step 5: Solve for x
    x = 26,052,578,323.55/186,246.76
  6. Step 6: Final answer
    x = 139,882.05

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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.