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Finding the Fourth Proportional to 88,714.48, 122,428.88 and 48,430.39

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Solution

The fourth proportional to 88,714.48, 122,428.88 and 48,430.39 is: 66,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714.48 : 122,428.88 = 48,430.39 : x
  2. Step 2: Convert to fraction form
    88,714.48/122,428.88 = 48,430.39/x
  3. Step 3: Cross multiply
    88,714.48x = 122,428.88 × 48,430.39
  4. Step 4: Simplify right side
    88,714.48x = 5,929,278,405.66
  5. Step 5: Solve for x
    x = 5,929,278,405.66/88,714.48
  6. Step 6: Final answer
    x = 66,835.52

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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.