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Finding the Fourth Proportional to 99,182.59, 136,965.39 and 69,050.30

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Solution

The fourth proportional to 99,182.59, 136,965.39 and 69,050.30 is: 95,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.59 : 136,965.39 = 69,050.30 : x
  2. Step 2: Convert to fraction form
    99,182.59/136,965.39 = 69,050.30/x
  3. Step 3: Cross multiply
    99,182.59x = 136,965.39 × 69,050.30
  4. Step 4: Simplify right side
    99,182.59x = 9,457,501,696.42
  5. Step 5: Solve for x
    x = 9,457,501,696.42/99,182.59
  6. Step 6: Final answer
    x = 95,354.45

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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.