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Finding the Fourth Proportional to 194,309.79, 291,475.13 and 61,200.47

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Solution

The fourth proportional to 194,309.79, 291,475.13 and 61,200.47 is: 91,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,309.79 : 291,475.13 = 61,200.47 : x
  2. Step 2: Convert to fraction form
    194,309.79/291,475.13 = 61,200.47/x
  3. Step 3: Cross multiply
    194,309.79x = 291,475.13 × 61,200.47
  4. Step 4: Simplify right side
    194,309.79x = 17,838,413,185.93
  5. Step 5: Solve for x
    x = 17,838,413,185.93/194,309.79
  6. Step 6: Final answer
    x = 91,803.99

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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.