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Finding the Fourth Proportional to 153,265.12, 211,502.52 and 88,737.08

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Solution

The fourth proportional to 153,265.12, 211,502.52 and 88,737.08 is: 122,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,265.12 : 211,502.52 = 88,737.08 : x
  2. Step 2: Convert to fraction form
    153,265.12/211,502.52 = 88,737.08/x
  3. Step 3: Cross multiply
    153,265.12x = 211,502.52 × 88,737.08
  4. Step 4: Simplify right side
    153,265.12x = 18,768,116,037.44
  5. Step 5: Solve for x
    x = 18,768,116,037.44/153,265.12
  6. Step 6: Final answer
    x = 122,455.23

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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.