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Finding the Fourth Proportional to 113,798.66, 170,693.12 and 38,925.50

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Solution

The fourth proportional to 113,798.66, 170,693.12 and 38,925.50 is: 58,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.66 : 170,693.12 = 38,925.50 : x
  2. Step 2: Convert to fraction form
    113,798.66/170,693.12 = 38,925.50/x
  3. Step 3: Cross multiply
    113,798.66x = 170,693.12 × 38,925.50
  4. Step 4: Simplify right side
    113,798.66x = 6,644,314,286.41
  5. Step 5: Solve for x
    x = 6,644,314,286.41/113,798.66
  6. Step 6: Final answer
    x = 58,386.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.