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Finding the Fourth Proportional to 154,668.40, 232,002.60 and 147,410.80

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Solution

The fourth proportional to 154,668.40, 232,002.60 and 147,410.80 is: 221,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,668.40 : 232,002.60 = 147,410.80 : x
  2. Step 2: Convert to fraction form
    154,668.40/232,002.60 = 147,410.80/x
  3. Step 3: Cross multiply
    154,668.40x = 232,002.60 × 147,410.80
  4. Step 4: Simplify right side
    154,668.40x = 34,199,688,868.08
  5. Step 5: Solve for x
    x = 34,199,688,868.08/154,668.40
  6. Step 6: Final answer
    x = 221,116.20

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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.