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Finding the Fourth Proportional to 239,377.68, 359,075.60 and 89,602.20

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Solution

The fourth proportional to 239,377.68, 359,075.60 and 89,602.20 is: 134,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,377.68 : 359,075.60 = 89,602.20 : x
  2. Step 2: Convert to fraction form
    239,377.68/359,075.60 = 89,602.20/x
  3. Step 3: Cross multiply
    239,377.68x = 359,075.60 × 89,602.20
  4. Step 4: Simplify right side
    239,377.68x = 32,173,963,726.32
  5. Step 5: Solve for x
    x = 32,173,963,726.32/239,377.68
  6. Step 6: Final answer
    x = 134,406.70

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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.