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Finding the Fourth Proportional to 148,118.58, 204,398.59 and 84,476.88

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Solution

The fourth proportional to 148,118.58, 204,398.59 and 84,476.88 is: 116,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,118.58 : 204,398.59 = 84,476.88 : x
  2. Step 2: Convert to fraction form
    148,118.58/204,398.59 = 84,476.88/x
  3. Step 3: Cross multiply
    148,118.58x = 204,398.59 × 84,476.88
  4. Step 4: Simplify right side
    148,118.58x = 17,266,955,159.60
  5. Step 5: Solve for x
    x = 17,266,955,159.60/148,118.58
  6. Step 6: Final answer
    x = 116,575.21

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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.