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Finding the Fourth Proportional to 76,602.96, 114,663.96 and 48,425.76

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Solution

The fourth proportional to 76,602.96, 114,663.96 and 48,425.76 is: 72,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,602.96 : 114,663.96 = 48,425.76 : x
  2. Step 2: Convert to fraction form
    76,602.96/114,663.96 = 48,425.76/x
  3. Step 3: Cross multiply
    76,602.96x = 114,663.96 × 48,425.76
  4. Step 4: Simplify right side
    76,602.96x = 5,552,689,407.61
  5. Step 5: Solve for x
    x = 5,552,689,407.61/76,602.96
  6. Step 6: Final answer
    x = 72,486.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.