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Finding the Fourth Proportional to 107,795.76, 148,758.15 and 62,500.06

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Solution

The fourth proportional to 107,795.76, 148,758.15 and 62,500.06 is: 86,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,795.76 : 148,758.15 = 62,500.06 : x
  2. Step 2: Convert to fraction form
    107,795.76/148,758.15 = 62,500.06/x
  3. Step 3: Cross multiply
    107,795.76x = 148,758.15 × 62,500.06
  4. Step 4: Simplify right side
    107,795.76x = 9,297,392,356.70
  5. Step 5: Solve for x
    x = 9,297,392,356.70/107,795.76
  6. Step 6: Final answer
    x = 86,250.07

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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.