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Finding the Fourth Proportional to 114,314.80, 157,750.76 and 63,325.44

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Solution

The fourth proportional to 114,314.80, 157,750.76 and 63,325.44 is: 87,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,314.80 : 157,750.76 = 63,325.44 : x
  2. Step 2: Convert to fraction form
    114,314.80/157,750.76 = 63,325.44/x
  3. Step 3: Cross multiply
    114,314.80x = 157,750.76 × 63,325.44
  4. Step 4: Simplify right side
    114,314.80x = 9,989,636,287.33
  5. Step 5: Solve for x
    x = 9,989,636,287.33/114,314.80
  6. Step 6: Final answer
    x = 87,387.08

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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.