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Finding the Fourth Proportional to 110,683.78, 152,742.90 and 62,937.11

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Solution

The fourth proportional to 110,683.78, 152,742.90 and 62,937.11 is: 86,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,683.78 : 152,742.90 = 62,937.11 : x
  2. Step 2: Convert to fraction form
    110,683.78/152,742.90 = 62,937.11/x
  3. Step 3: Cross multiply
    110,683.78x = 152,742.90 × 62,937.11
  4. Step 4: Simplify right side
    110,683.78x = 9,613,196,699.02
  5. Step 5: Solve for x
    x = 9,613,196,699.02/110,683.78
  6. Step 6: Final answer
    x = 86,852.80

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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.