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Finding the Fourth Proportional to 186,242.46, 257,009.67 and 101,357.70

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Solution

The fourth proportional to 186,242.46, 257,009.67 and 101,357.70 is: 139,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,242.46 : 257,009.67 = 101,357.70 : x
  2. Step 2: Convert to fraction form
    186,242.46/257,009.67 = 101,357.70/x
  3. Step 3: Cross multiply
    186,242.46x = 257,009.67 × 101,357.70
  4. Step 4: Simplify right side
    186,242.46x = 26,049,909,028.96
  5. Step 5: Solve for x
    x = 26,049,909,028.96/186,242.46
  6. Step 6: Final answer
    x = 139,870.95

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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.