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Finding the Fourth Proportional to 182,547.80, 273,821.70 and 103,815.80

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Solution

The fourth proportional to 182,547.80, 273,821.70 and 103,815.80 is: 155,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,547.80 : 273,821.70 = 103,815.80 : x
  2. Step 2: Convert to fraction form
    182,547.80/273,821.70 = 103,815.80/x
  3. Step 3: Cross multiply
    182,547.80x = 273,821.70 × 103,815.80
  4. Step 4: Simplify right side
    182,547.80x = 28,427,018,842.86
  5. Step 5: Solve for x
    x = 28,427,018,842.86/182,547.80
  6. Step 6: Final answer
    x = 155,723.70

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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.