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Finding the Fourth Proportional to 73,292.10, 109,610.10 and 61,482.30

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Solution

The fourth proportional to 73,292.10, 109,610.10 and 61,482.30 is: 91,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.10 : 109,610.10 = 61,482.30 : x
  2. Step 2: Convert to fraction form
    73,292.10/109,610.10 = 61,482.30/x
  3. Step 3: Cross multiply
    73,292.10x = 109,610.10 × 61,482.30
  4. Step 4: Simplify right side
    73,292.10x = 6,739,081,051.23
  5. Step 5: Solve for x
    x = 6,739,081,051.23/73,292.10
  6. Step 6: Final answer
    x = 91,948.26

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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.