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Finding the Fourth Proportional to 103,341.86, 142,607.10 and 58,019.01

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Solution

The fourth proportional to 103,341.86, 142,607.10 and 58,019.01 is: 80,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,341.86 : 142,607.10 = 58,019.01 : x
  2. Step 2: Convert to fraction form
    103,341.86/142,607.10 = 58,019.01/x
  3. Step 3: Cross multiply
    103,341.86x = 142,607.10 × 58,019.01
  4. Step 4: Simplify right side
    103,341.86x = 8,273,922,760.97
  5. Step 5: Solve for x
    x = 8,273,922,760.97/103,341.86
  6. Step 6: Final answer
    x = 80,063.61

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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.