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Finding the Fourth Proportional to 85,875.44, 118,510.44 and 48,148.88

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Solution

The fourth proportional to 85,875.44, 118,510.44 and 48,148.88 is: 66,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,875.44 : 118,510.44 = 48,148.88 : x
  2. Step 2: Convert to fraction form
    85,875.44/118,510.44 = 48,148.88/x
  3. Step 3: Cross multiply
    85,875.44x = 118,510.44 × 48,148.88
  4. Step 4: Simplify right side
    85,875.44x = 5,706,144,954.31
  5. Step 5: Solve for x
    x = 5,706,144,954.31/85,875.44
  6. Step 6: Final answer
    x = 66,446.76

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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.