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Finding the Fourth Proportional to 110,357.87, 152,283.32 and 61,948.70

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Solution

The fourth proportional to 110,357.87, 152,283.32 and 61,948.70 is: 85,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,357.87 : 152,283.32 = 61,948.70 : x
  2. Step 2: Convert to fraction form
    110,357.87/152,283.32 = 61,948.70/x
  3. Step 3: Cross multiply
    110,357.87x = 152,283.32 × 61,948.70
  4. Step 4: Simplify right side
    110,357.87x = 9,433,752,634.52
  5. Step 5: Solve for x
    x = 9,433,752,634.52/110,357.87
  6. Step 6: Final answer
    x = 85,483.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.