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Finding the Fourth Proportional to 111,657.40, 167,534.70 and 56,253.40

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Solution

The fourth proportional to 111,657.40, 167,534.70 and 56,253.40 is: 84,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.40 : 167,534.70 = 56,253.40 : x
  2. Step 2: Convert to fraction form
    111,657.40/167,534.70 = 56,253.40/x
  3. Step 3: Cross multiply
    111,657.40x = 167,534.70 × 56,253.40
  4. Step 4: Simplify right side
    111,657.40x = 9,424,396,492.98
  5. Step 5: Solve for x
    x = 9,424,396,492.98/111,657.40
  6. Step 6: Final answer
    x = 84,404.58

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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.