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Finding the Fourth Proportional to 124,071.86, 171,219.76 and 67,483.64

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Solution

The fourth proportional to 124,071.86, 171,219.76 and 67,483.64 is: 93,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,071.86 : 171,219.76 = 67,483.64 : x
  2. Step 2: Convert to fraction form
    124,071.86/171,219.76 = 67,483.64/x
  3. Step 3: Cross multiply
    124,071.86x = 171,219.76 × 67,483.64
  4. Step 4: Simplify right side
    124,071.86x = 11,554,532,644.73
  5. Step 5: Solve for x
    x = 11,554,532,644.73/124,071.86
  6. Step 6: Final answer
    x = 93,127.75

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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.