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Finding the Fourth Proportional to 99,792.01, 137,709.55 and 59,484.99

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Solution

The fourth proportional to 99,792.01, 137,709.55 and 59,484.99 is: 82,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792.01 : 137,709.55 = 59,484.99 : x
  2. Step 2: Convert to fraction form
    99,792.01/137,709.55 = 59,484.99/x
  3. Step 3: Cross multiply
    99,792.01x = 137,709.55 × 59,484.99
  4. Step 4: Simplify right side
    99,792.01x = 8,191,651,204.65
  5. Step 5: Solve for x
    x = 8,191,651,204.65/99,792.01
  6. Step 6: Final answer
    x = 82,087.25

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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.