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Finding the Fourth Proportional to 162,058.40, 242,569.20 and 149,616.80

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Solution

The fourth proportional to 162,058.40, 242,569.20 and 149,616.80 is: 223,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,058.40 : 242,569.20 = 149,616.80 : x
  2. Step 2: Convert to fraction form
    162,058.40/242,569.20 = 149,616.80/x
  3. Step 3: Cross multiply
    162,058.40x = 242,569.20 × 149,616.80
  4. Step 4: Simplify right side
    162,058.40x = 36,292,427,482.56
  5. Step 5: Solve for x
    x = 36,292,427,482.56/162,058.40
  6. Step 6: Final answer
    x = 223,946.60

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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.