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Finding the Fourth Proportional to 108,624.78, 162,194.06 and 97,307.06

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Solution

The fourth proportional to 108,624.78, 162,194.06 and 97,307.06 is: 145,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,624.78 : 162,194.06 = 97,307.06 : x
  2. Step 2: Convert to fraction form
    108,624.78/162,194.06 = 97,307.06/x
  3. Step 3: Cross multiply
    108,624.78x = 162,194.06 × 97,307.06
  4. Step 4: Simplify right side
    108,624.78x = 15,782,626,560.36
  5. Step 5: Solve for x
    x = 15,782,626,560.36/108,624.78
  6. Step 6: Final answer
    x = 145,294.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.