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Finding the Fourth Proportional to 358,412.22, 537,739.29 and 158,705.10

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Solution

The fourth proportional to 358,412.22, 537,739.29 and 158,705.10 is: 238,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,412.22 : 537,739.29 = 158,705.10 : x
  2. Step 2: Convert to fraction form
    358,412.22/537,739.29 = 158,705.10/x
  3. Step 3: Cross multiply
    358,412.22x = 537,739.29 × 158,705.10
  4. Step 4: Simplify right side
    358,412.22x = 85,341,967,793.38
  5. Step 5: Solve for x
    x = 85,341,967,793.38/358,412.22
  6. Step 6: Final answer
    x = 238,111.21

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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.