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Finding the Fourth Proportional to 158,792.40, 237,994.20 and 69,951.60

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Solution

The fourth proportional to 158,792.40, 237,994.20 and 69,951.60 is: 104,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,792.40 : 237,994.20 = 69,951.60 : x
  2. Step 2: Convert to fraction form
    158,792.40/237,994.20 = 69,951.60/x
  3. Step 3: Cross multiply
    158,792.40x = 237,994.20 × 69,951.60
  4. Step 4: Simplify right side
    158,792.40x = 16,648,075,080.72
  5. Step 5: Solve for x
    x = 16,648,075,080.72/158,792.40
  6. Step 6: Final answer
    x = 104,841.76

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1.5x scale

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.