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Finding the Fourth Proportional to 70,695.96, 106,038.45 and 41,094.90

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Solution

The fourth proportional to 70,695.96, 106,038.45 and 41,094.90 is: 61,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,695.96 : 106,038.45 = 41,094.90 : x
  2. Step 2: Convert to fraction form
    70,695.96/106,038.45 = 41,094.90/x
  3. Step 3: Cross multiply
    70,695.96x = 106,038.45 × 41,094.90
  4. Step 4: Simplify right side
    70,695.96x = 4,357,639,498.91
  5. Step 5: Solve for x
    x = 4,357,639,498.91/70,695.96
  6. Step 6: Final answer
    x = 61,639.16

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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.