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Finding the Fourth Proportional to 97,425.90, 136,534.50 and 97,425.90

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Solution

The fourth proportional to 97,425.90, 136,534.50 and 97,425.90 is: 136,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,425.90 : 136,534.50 = 97,425.90 : x
  2. Step 2: Convert to fraction form
    97,425.90/136,534.50 = 97,425.90/x
  3. Step 3: Cross multiply
    97,425.90x = 136,534.50 × 97,425.90
  4. Step 4: Simplify right side
    97,425.90x = 13,301,996,543.55
  5. Step 5: Solve for x
    x = 13,301,996,543.55/97,425.90
  6. Step 6: Final answer
    x = 136,534.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.