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Finding the Fourth Proportional to 186,469.04, 279,592.92 and 74,088.96

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Solution

The fourth proportional to 186,469.04, 279,592.92 and 74,088.96 is: 111,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,469.04 : 279,592.92 = 74,088.96 : x
  2. Step 2: Convert to fraction form
    186,469.04/279,592.92 = 74,088.96/x
  3. Step 3: Cross multiply
    186,469.04x = 279,592.92 × 74,088.96
  4. Step 4: Simplify right side
    186,469.04x = 20,714,748,666.16
  5. Step 5: Solve for x
    x = 20,714,748,666.16/186,469.04
  6. Step 6: Final answer
    x = 111,089.48

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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.