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Finding the Fourth Proportional to 103,841.50, 143,301.16 and 56,094.83

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Solution

The fourth proportional to 103,841.50, 143,301.16 and 56,094.83 is: 77,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,841.50 : 143,301.16 = 56,094.83 : x
  2. Step 2: Convert to fraction form
    103,841.50/143,301.16 = 56,094.83/x
  3. Step 3: Cross multiply
    103,841.50x = 143,301.16 × 56,094.83
  4. Step 4: Simplify right side
    103,841.50x = 8,038,454,209.00
  5. Step 5: Solve for x
    x = 8,038,454,209.00/103,841.50
  6. Step 6: Final answer
    x = 77,410.81

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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.