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Finding the Fourth Proportional to 85,148.70, 127,718.73 and 32,554.14

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Solution

The fourth proportional to 85,148.70, 127,718.73 and 32,554.14 is: 48,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,148.70 : 127,718.73 = 32,554.14 : x
  2. Step 2: Convert to fraction form
    85,148.70/127,718.73 = 32,554.14/x
  3. Step 3: Cross multiply
    85,148.70x = 127,718.73 × 32,554.14
  4. Step 4: Simplify right side
    85,148.70x = 4,157,773,417.04
  5. Step 5: Solve for x
    x = 4,157,773,417.04/85,148.70
  6. Step 6: Final answer
    x = 48,829.56

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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.