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Finding the Fourth Proportional to 155,567.20, 233,005.20 and 127,919.20

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Solution

The fourth proportional to 155,567.20, 233,005.20 and 127,919.20 is: 191,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,567.20 : 233,005.20 = 127,919.20 : x
  2. Step 2: Convert to fraction form
    155,567.20/233,005.20 = 127,919.20/x
  3. Step 3: Cross multiply
    155,567.20x = 233,005.20 × 127,919.20
  4. Step 4: Simplify right side
    155,567.20x = 29,805,838,779.84
  5. Step 5: Solve for x
    x = 29,805,838,779.84/155,567.20
  6. Step 6: Final answer
    x = 191,594.62

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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.