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Finding the Fourth Proportional to 223,637.60, 335,456.40 and 144,840.80

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Solution

The fourth proportional to 223,637.60, 335,456.40 and 144,840.80 is: 217,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,637.60 : 335,456.40 = 144,840.80 : x
  2. Step 2: Convert to fraction form
    223,637.60/335,456.40 = 144,840.80/x
  3. Step 3: Cross multiply
    223,637.60x = 335,456.40 × 144,840.80
  4. Step 4: Simplify right side
    223,637.60x = 48,587,773,341.12
  5. Step 5: Solve for x
    x = 48,587,773,341.12/223,637.60
  6. Step 6: Final answer
    x = 217,261.20

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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.