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Finding the Fourth Proportional to 119,800.16, 165,332.40 and 69,499.16

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Solution

The fourth proportional to 119,800.16, 165,332.40 and 69,499.16 is: 95,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800.16 : 165,332.40 = 69,499.16 : x
  2. Step 2: Convert to fraction form
    119,800.16/165,332.40 = 69,499.16/x
  3. Step 3: Cross multiply
    119,800.16x = 165,332.40 × 69,499.16
  4. Step 4: Simplify right side
    119,800.16x = 11,490,462,920.78
  5. Step 5: Solve for x
    x = 11,490,462,920.78/119,800.16
  6. Step 6: Final answer
    x = 95,913.59

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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.