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Finding the Fourth Proportional to 295,135.40, 442,703.10 and 73,519.40

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Solution

The fourth proportional to 295,135.40, 442,703.10 and 73,519.40 is: 110,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,135.40 : 442,703.10 = 73,519.40 : x
  2. Step 2: Convert to fraction form
    295,135.40/442,703.10 = 73,519.40/x
  3. Step 3: Cross multiply
    295,135.40x = 442,703.10 × 73,519.40
  4. Step 4: Simplify right side
    295,135.40x = 32,547,266,290.14
  5. Step 5: Solve for x
    x = 32,547,266,290.14/295,135.40
  6. Step 6: Final answer
    x = 110,279.10

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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.