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Finding the Fourth Proportional to 113,189.06, 156,200.91 and 62,888.06

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Solution

The fourth proportional to 113,189.06, 156,200.91 and 62,888.06 is: 86,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189.06 : 156,200.91 = 62,888.06 : x
  2. Step 2: Convert to fraction form
    113,189.06/156,200.91 = 62,888.06/x
  3. Step 3: Cross multiply
    113,189.06x = 156,200.91 × 62,888.06
  4. Step 4: Simplify right side
    113,189.06x = 9,823,172,354.81
  5. Step 5: Solve for x
    x = 9,823,172,354.81/113,189.06
  6. Step 6: Final answer
    x = 86,785.53

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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.