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Finding the Fourth Proportional to 85,098.76, 117,598.14 and 63,841.12

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Solution

The fourth proportional to 85,098.76, 117,598.14 and 63,841.12 is: 88,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.76 : 117,598.14 = 63,841.12 : x
  2. Step 2: Convert to fraction form
    85,098.76/117,598.14 = 63,841.12/x
  3. Step 3: Cross multiply
    85,098.76x = 117,598.14 × 63,841.12
  4. Step 4: Simplify right side
    85,098.76x = 7,507,596,967.52
  5. Step 5: Solve for x
    x = 7,507,596,967.52/85,098.76
  6. Step 6: Final answer
    x = 88,222.17

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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.