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Finding the Fourth Proportional to 159,395.66, 239,100.10 and 47,075.90

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Solution

The fourth proportional to 159,395.66, 239,100.10 and 47,075.90 is: 70,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,395.66 : 239,100.10 = 47,075.90 : x
  2. Step 2: Convert to fraction form
    159,395.66/239,100.10 = 47,075.90/x
  3. Step 3: Cross multiply
    159,395.66x = 239,100.10 × 47,075.90
  4. Step 4: Simplify right side
    159,395.66x = 11,255,852,397.59
  5. Step 5: Solve for x
    x = 11,255,852,397.59/159,395.66
  6. Step 6: Final answer
    x = 70,615.80

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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.