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Finding the Fourth Proportional to 185,866.80, 260,738.40 and 185,866.80

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Solution

The fourth proportional to 185,866.80, 260,738.40 and 185,866.80 is: 260,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,866.80 : 260,738.40 = 185,866.80 : x
  2. Step 2: Convert to fraction form
    185,866.80/260,738.40 = 185,866.80/x
  3. Step 3: Cross multiply
    185,866.80x = 260,738.40 × 185,866.80
  4. Step 4: Simplify right side
    185,866.80x = 48,462,612,045.12
  5. Step 5: Solve for x
    x = 48,462,612,045.12/185,866.80
  6. Step 6: Final answer
    x = 260,738.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.