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Finding the Fourth Proportional to 104,902.48, 157,353.72 and 31,030.48

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Solution

The fourth proportional to 104,902.48, 157,353.72 and 31,030.48 is: 46,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,902.48 : 157,353.72 = 31,030.48 : x
  2. Step 2: Convert to fraction form
    104,902.48/157,353.72 = 31,030.48/x
  3. Step 3: Cross multiply
    104,902.48x = 157,353.72 × 31,030.48
  4. Step 4: Simplify right side
    104,902.48x = 4,882,761,461.39
  5. Step 5: Solve for x
    x = 4,882,761,461.39/104,902.48
  6. Step 6: Final answer
    x = 46,545.72

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1.5x scale

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.