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Finding the Fourth Proportional to 243,504.40, 365,083.80 and 93,686.80

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Solution

The fourth proportional to 243,504.40, 365,083.80 and 93,686.80 is: 140,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,504.40 : 365,083.80 = 93,686.80 : x
  2. Step 2: Convert to fraction form
    243,504.40/365,083.80 = 93,686.80/x
  3. Step 3: Cross multiply
    243,504.40x = 365,083.80 × 93,686.80
  4. Step 4: Simplify right side
    243,504.40x = 34,203,532,953.84
  5. Step 5: Solve for x
    x = 34,203,532,953.84/243,504.40
  6. Step 6: Final answer
    x = 140,463.72

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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.