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Finding the Fourth Proportional to 114,714.74, 158,307.54 and 63,730.64

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Solution

The fourth proportional to 114,714.74, 158,307.54 and 63,730.64 is: 87,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,714.74 : 158,307.54 = 63,730.64 : x
  2. Step 2: Convert to fraction form
    114,714.74/158,307.54 = 63,730.64/x
  3. Step 3: Cross multiply
    114,714.74x = 158,307.54 × 63,730.64
  4. Step 4: Simplify right side
    114,714.74x = 10,089,040,841.03
  5. Step 5: Solve for x
    x = 10,089,040,841.03/114,714.74
  6. Step 6: Final answer
    x = 87,948.95

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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.