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Finding the Fourth Proportional to 113,807.93, 170,788.07 and 47,248.11

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Solution

The fourth proportional to 113,807.93, 170,788.07 and 47,248.11 is: 70,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,807.93 : 170,788.07 = 47,248.11 : x
  2. Step 2: Convert to fraction form
    113,807.93/170,788.07 = 47,248.11/x
  3. Step 3: Cross multiply
    113,807.93x = 170,788.07 × 47,248.11
  4. Step 4: Simplify right side
    113,807.93x = 8,069,413,281.81
  5. Step 5: Solve for x
    x = 8,069,413,281.81/113,807.93
  6. Step 6: Final answer
    x = 70,903.79

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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.