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Finding the Fourth Proportional to 145,365.60, 218,048.40 and 95,599.20

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Solution

The fourth proportional to 145,365.60, 218,048.40 and 95,599.20 is: 143,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,365.60 : 218,048.40 = 95,599.20 : x
  2. Step 2: Convert to fraction form
    145,365.60/218,048.40 = 95,599.20/x
  3. Step 3: Cross multiply
    145,365.60x = 218,048.40 × 95,599.20
  4. Step 4: Simplify right side
    145,365.60x = 20,845,252,601.28
  5. Step 5: Solve for x
    x = 20,845,252,601.28/145,365.60
  6. Step 6: Final answer
    x = 143,398.80

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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.