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Finding the Fourth Proportional to 110,062.70, 165,094.05 and 103,501.70

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Solution

The fourth proportional to 110,062.70, 165,094.05 and 103,501.70 is: 155,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,062.70 : 165,094.05 = 103,501.70 : x
  2. Step 2: Convert to fraction form
    110,062.70/165,094.05 = 103,501.70/x
  3. Step 3: Cross multiply
    110,062.70x = 165,094.05 × 103,501.70
  4. Step 4: Simplify right side
    110,062.70x = 17,087,514,834.89
  5. Step 5: Solve for x
    x = 17,087,514,834.89/110,062.70
  6. Step 6: Final answer
    x = 155,252.55

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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.