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Finding the Fourth Proportional to 199,442.04, 299,365.92 and 99,673.80

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Solution

The fourth proportional to 199,442.04, 299,365.92 and 99,673.80 is: 149,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,442.04 : 299,365.92 = 99,673.80 : x
  2. Step 2: Convert to fraction form
    199,442.04/299,365.92 = 99,673.80/x
  3. Step 3: Cross multiply
    199,442.04x = 299,365.92 × 99,673.80
  4. Step 4: Simplify right side
    199,442.04x = 29,838,938,836.90
  5. Step 5: Solve for x
    x = 29,838,938,836.90/199,442.04
  6. Step 6: Final answer
    x = 149,612.08

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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.