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Finding the Fourth Proportional to 113,326.51, 156,338.16 and 67,925.68

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Solution

The fourth proportional to 113,326.51, 156,338.16 and 67,925.68 is: 93,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326.51 : 156,338.16 = 67,925.68 : x
  2. Step 2: Convert to fraction form
    113,326.51/156,338.16 = 67,925.68/x
  3. Step 3: Cross multiply
    113,326.51x = 156,338.16 × 67,925.68
  4. Step 4: Simplify right side
    113,326.51x = 10,619,375,827.95
  5. Step 5: Solve for x
    x = 10,619,375,827.95/113,326.51
  6. Step 6: Final answer
    x = 93,706.02

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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.