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Finding the Fourth Proportional to 101,113.80, 151,962.30 and 88,283.40

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Solution

The fourth proportional to 101,113.80, 151,962.30 and 88,283.40 is: 132,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.80 : 151,962.30 = 88,283.40 : x
  2. Step 2: Convert to fraction form
    101,113.80/151,962.30 = 88,283.40/x
  3. Step 3: Cross multiply
    101,113.80x = 151,962.30 × 88,283.40
  4. Step 4: Simplify right side
    101,113.80x = 13,415,748,515.82
  5. Step 5: Solve for x
    x = 13,415,748,515.82/101,113.80
  6. Step 6: Final answer
    x = 132,679.70

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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.