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Finding the Fourth Proportional to 248,145.60, 372,218.40 and 159,572.10

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Solution

The fourth proportional to 248,145.60, 372,218.40 and 159,572.10 is: 239,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,145.60 : 372,218.40 = 159,572.10 : x
  2. Step 2: Convert to fraction form
    248,145.60/372,218.40 = 159,572.10/x
  3. Step 3: Cross multiply
    248,145.60x = 372,218.40 × 159,572.10
  4. Step 4: Simplify right side
    248,145.60x = 59,395,671,746.64
  5. Step 5: Solve for x
    x = 59,395,671,746.64/248,145.60
  6. Step 6: Final answer
    x = 239,358.15

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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.