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Finding the Fourth Proportional to 194,798.81, 292,377.81 and 98,803.40

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Solution

The fourth proportional to 194,798.81, 292,377.81 and 98,803.40 is: 148,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,798.81 : 292,377.81 = 98,803.40 : x
  2. Step 2: Convert to fraction form
    194,798.81/292,377.81 = 98,803.40/x
  3. Step 3: Cross multiply
    194,798.81x = 292,377.81 × 98,803.40
  4. Step 4: Simplify right side
    194,798.81x = 28,887,920,250.67
  5. Step 5: Solve for x
    x = 28,887,920,250.67/194,798.81
  6. Step 6: Final answer
    x = 148,296.19

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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.