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Finding the Fourth Proportional to 310,084.10, 465,127.96 and 110,412.20

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Solution

The fourth proportional to 310,084.10, 465,127.96 and 110,412.20 is: 165,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,084.10 : 465,127.96 = 110,412.20 : x
  2. Step 2: Convert to fraction form
    310,084.10/465,127.96 = 110,412.20/x
  3. Step 3: Cross multiply
    310,084.10x = 465,127.96 × 110,412.20
  4. Step 4: Simplify right side
    310,084.10x = 51,355,801,345.11
  5. Step 5: Solve for x
    x = 51,355,801,345.11/310,084.10
  6. Step 6: Final answer
    x = 165,618.94

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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.