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Finding the Fourth Proportional to 161,713.44, 242,681.22 and 56,532.60

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Solution

The fourth proportional to 161,713.44, 242,681.22 and 56,532.60 is: 84,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.44 : 242,681.22 = 56,532.60 : x
  2. Step 2: Convert to fraction form
    161,713.44/242,681.22 = 56,532.60/x
  3. Step 3: Cross multiply
    161,713.44x = 242,681.22 × 56,532.60
  4. Step 4: Simplify right side
    161,713.44x = 13,719,400,337.77
  5. Step 5: Solve for x
    x = 13,719,400,337.77/161,713.44
  6. Step 6: Final answer
    x = 84,837.72

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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.