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Finding the Fourth Proportional to 191,548.66, 287,323.15 and 60,220.66

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Solution

The fourth proportional to 191,548.66, 287,323.15 and 60,220.66 is: 90,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,548.66 : 287,323.15 = 60,220.66 : x
  2. Step 2: Convert to fraction form
    191,548.66/287,323.15 = 60,220.66/x
  3. Step 3: Cross multiply
    191,548.66x = 287,323.15 × 60,220.66
  4. Step 4: Simplify right side
    191,548.66x = 17,302,789,726.28
  5. Step 5: Solve for x
    x = 17,302,789,726.28/191,548.66
  6. Step 6: Final answer
    x = 90,331.04

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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.