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Finding the Fourth Proportional to 99,796.29, 137,484.95 and 69,526.86

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Solution

The fourth proportional to 99,796.29, 137,484.95 and 69,526.86 is: 95,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,796.29 : 137,484.95 = 69,526.86 : x
  2. Step 2: Convert to fraction form
    99,796.29/137,484.95 = 69,526.86/x
  3. Step 3: Cross multiply
    99,796.29x = 137,484.95 × 69,526.86
  4. Step 4: Simplify right side
    99,796.29x = 9,558,896,523.12
  5. Step 5: Solve for x
    x = 9,558,896,523.12/99,796.29
  6. Step 6: Final answer
    x = 95,784.09

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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.