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Finding the Fourth Proportional to 233,779.16, 322,616.72 and 126,348.96

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Solution

The fourth proportional to 233,779.16, 322,616.72 and 126,348.96 is: 174,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,779.16 : 322,616.72 = 126,348.96 : x
  2. Step 2: Convert to fraction form
    233,779.16/322,616.72 = 126,348.96/x
  3. Step 3: Cross multiply
    233,779.16x = 322,616.72 × 126,348.96
  4. Step 4: Simplify right side
    233,779.16x = 40,762,287,050.61
  5. Step 5: Solve for x
    x = 40,762,287,050.61/233,779.16
  6. Step 6: Final answer
    x = 174,362.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.