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Finding the Fourth Proportional to 76,572.96, 114,420.15 and 58,460.96

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Solution

The fourth proportional to 76,572.96, 114,420.15 and 58,460.96 is: 87,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572.96 : 114,420.15 = 58,460.96 : x
  2. Step 2: Convert to fraction form
    76,572.96/114,420.15 = 58,460.96/x
  3. Step 3: Cross multiply
    76,572.96x = 114,420.15 × 58,460.96
  4. Step 4: Simplify right side
    76,572.96x = 6,689,111,812.34
  5. Step 5: Solve for x
    x = 6,689,111,812.34/76,572.96
  6. Step 6: Final answer
    x = 87,356.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.