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Finding the Fourth Proportional to 194,697.36, 292,074.66 and 61,547.40

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Solution

The fourth proportional to 194,697.36, 292,074.66 and 61,547.40 is: 92,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,697.36 : 292,074.66 = 61,547.40 : x
  2. Step 2: Convert to fraction form
    194,697.36/292,074.66 = 61,547.40/x
  3. Step 3: Cross multiply
    194,697.36x = 292,074.66 × 61,547.40
  4. Step 4: Simplify right side
    194,697.36x = 17,976,435,928.88
  5. Step 5: Solve for x
    x = 17,976,435,928.88/194,697.36
  6. Step 6: Final answer
    x = 92,330.15

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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.