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Finding the Fourth Proportional to 124,303.50, 171,538.86 and 67,714.86

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Solution

The fourth proportional to 124,303.50, 171,538.86 and 67,714.86 is: 93,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,303.50 : 171,538.86 = 67,714.86 : x
  2. Step 2: Convert to fraction form
    124,303.50/171,538.86 = 67,714.86/x
  3. Step 3: Cross multiply
    124,303.50x = 171,538.86 × 67,714.86
  4. Step 4: Simplify right side
    124,303.50x = 11,615,729,889.46
  5. Step 5: Solve for x
    x = 11,615,729,889.46/124,303.50
  6. Step 6: Final answer
    x = 93,446.52

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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.