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Finding the Fourth Proportional to 158,397.12, 237,683.16 and 64,881

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Solution

The fourth proportional to 158,397.12, 237,683.16 and 64,881 is: 97,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,397.12 : 237,683.16 = 64,881 : x
  2. Step 2: Convert to fraction form
    158,397.12/237,683.16 = 64,881/x
  3. Step 3: Cross multiply
    158,397.12x = 237,683.16 × 64,881
  4. Step 4: Simplify right side
    158,397.12x = 15,421,121,103.96
  5. Step 5: Solve for x
    x = 15,421,121,103.96/158,397.12
  6. Step 6: Final answer
    x = 97,357.33

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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.