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Finding the Fourth Proportional to 194,999.40, 292,499.10 and 181,877.40

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Solution

The fourth proportional to 194,999.40, 292,499.10 and 181,877.40 is: 272,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.40 : 292,499.10 = 181,877.40 : x
  2. Step 2: Convert to fraction form
    194,999.40/292,499.10 = 181,877.40/x
  3. Step 3: Cross multiply
    194,999.40x = 292,499.10 × 181,877.40
  4. Step 4: Simplify right side
    194,999.40x = 53,198,975,810.34
  5. Step 5: Solve for x
    x = 53,198,975,810.34/194,999.40
  6. Step 6: Final answer
    x = 272,816.10

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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.