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Finding the Fourth Proportional to 107,775.58, 148,730.34 and 62,479.82

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Solution

The fourth proportional to 107,775.58, 148,730.34 and 62,479.82 is: 86,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,775.58 : 148,730.34 = 62,479.82 : x
  2. Step 2: Convert to fraction form
    107,775.58/148,730.34 = 62,479.82/x
  3. Step 3: Cross multiply
    107,775.58x = 148,730.34 × 62,479.82
  4. Step 4: Simplify right side
    107,775.58x = 9,292,644,964.70
  5. Step 5: Solve for x
    x = 9,292,644,964.70/107,775.58
  6. Step 6: Final answer
    x = 86,222.18

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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.