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Finding the Fourth Proportional to 145,534.62, 200,841.03 and 88,977.18

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Solution

The fourth proportional to 145,534.62, 200,841.03 and 88,977.18 is: 122,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,534.62 : 200,841.03 = 88,977.18 : x
  2. Step 2: Convert to fraction form
    145,534.62/200,841.03 = 88,977.18/x
  3. Step 3: Cross multiply
    145,534.62x = 200,841.03 × 88,977.18
  4. Step 4: Simplify right side
    145,534.62x = 17,870,268,477.70
  5. Step 5: Solve for x
    x = 17,870,268,477.70/145,534.62
  6. Step 6: Final answer
    x = 122,790.50

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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.