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Finding the Fourth Proportional to 66,117, 99,175.50 and 62,794.92

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Solution

The fourth proportional to 66,117, 99,175.50 and 62,794.92 is: 94,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117 : 99,175.50 = 62,794.92 : x
  2. Step 2: Convert to fraction form
    66,117/99,175.50 = 62,794.92/x
  3. Step 3: Cross multiply
    66,117x = 99,175.50 × 62,794.92
  4. Step 4: Simplify right side
    66,117x = 6,227,717,588.46
  5. Step 5: Solve for x
    x = 6,227,717,588.46/66,117
  6. Step 6: Final answer
    x = 94,192.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.