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Finding the Fourth Proportional to 186,353.55, 257,159.88 and 101,471.22

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Solution

The fourth proportional to 186,353.55, 257,159.88 and 101,471.22 is: 140,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,353.55 : 257,159.88 = 101,471.22 : x
  2. Step 2: Convert to fraction form
    186,353.55/257,159.88 = 101,471.22/x
  3. Step 3: Cross multiply
    186,353.55x = 257,159.88 × 101,471.22
  4. Step 4: Simplify right side
    186,353.55x = 26,094,326,758.65
  5. Step 5: Solve for x
    x = 26,094,326,758.65/186,353.55
  6. Step 6: Final answer
    x = 140,025.92

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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.