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Finding the Fourth Proportional to 107,245.68, 148,006.05 and 61,925.58

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Solution

The fourth proportional to 107,245.68, 148,006.05 and 61,925.58 is: 85,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,245.68 : 148,006.05 = 61,925.58 : x
  2. Step 2: Convert to fraction form
    107,245.68/148,006.05 = 61,925.58/x
  3. Step 3: Cross multiply
    107,245.68x = 148,006.05 × 61,925.58
  4. Step 4: Simplify right side
    107,245.68x = 9,165,360,489.76
  5. Step 5: Solve for x
    x = 9,165,360,489.76/107,245.68
  6. Step 6: Final answer
    x = 85,461.35

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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.