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Finding the Fourth Proportional to 260,006.72, 390,010.08 and 93,794.72

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Solution

The fourth proportional to 260,006.72, 390,010.08 and 93,794.72 is: 140,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,006.72 : 390,010.08 = 93,794.72 : x
  2. Step 2: Convert to fraction form
    260,006.72/390,010.08 = 93,794.72/x
  3. Step 3: Cross multiply
    260,006.72x = 390,010.08 × 93,794.72
  4. Step 4: Simplify right side
    260,006.72x = 36,580,886,250.78
  5. Step 5: Solve for x
    x = 36,580,886,250.78/260,006.72
  6. Step 6: Final answer
    x = 140,692.08

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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.