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Finding the Fourth Proportional to 153,600.64, 230,400.64 and 48,428.80

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Solution

The fourth proportional to 153,600.64, 230,400.64 and 48,428.80 is: 72,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,600.64 : 230,400.64 = 48,428.80 : x
  2. Step 2: Convert to fraction form
    153,600.64/230,400.64 = 48,428.80/x
  3. Step 3: Cross multiply
    153,600.64x = 230,400.64 × 48,428.80
  4. Step 4: Simplify right side
    153,600.64x = 11,158,026,514.43
  5. Step 5: Solve for x
    x = 11,158,026,514.43/153,600.64
  6. Step 6: Final answer
    x = 72,643.10

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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.