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Finding the Fourth Proportional to 186,488, 257,353.44 and 101,605.04

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Solution

The fourth proportional to 186,488, 257,353.44 and 101,605.04 is: 140,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,488 : 257,353.44 = 101,605.04 : x
  2. Step 2: Convert to fraction form
    186,488/257,353.44 = 101,605.04/x
  3. Step 3: Cross multiply
    186,488x = 257,353.44 × 101,605.04
  4. Step 4: Simplify right side
    186,488x = 26,148,406,565.34
  5. Step 5: Solve for x
    x = 26,148,406,565.34/186,488
  6. Step 6: Final answer
    x = 140,214.96

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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.