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Finding the Fourth Proportional to 186,684.48, 257,624.64 and 101,799.36

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Solution

The fourth proportional to 186,684.48, 257,624.64 and 101,799.36 is: 140,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,684.48 : 257,624.64 = 101,799.36 : x
  2. Step 2: Convert to fraction form
    186,684.48/257,624.64 = 101,799.36/x
  3. Step 3: Cross multiply
    186,684.48x = 257,624.64 × 101,799.36
  4. Step 4: Simplify right side
    186,684.48x = 26,226,023,472.23
  5. Step 5: Solve for x
    x = 26,226,023,472.23/186,684.48
  6. Step 6: Final answer
    x = 140,483.15

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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.