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Finding the Fourth Proportional to 194,497.61, 291,877.62 and 76,154.18

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Solution

The fourth proportional to 194,497.61, 291,877.62 and 76,154.18 is: 114,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,497.61 : 291,877.62 = 76,154.18 : x
  2. Step 2: Convert to fraction form
    194,497.61/291,877.62 = 76,154.18/x
  3. Step 3: Cross multiply
    194,497.61x = 291,877.62 × 76,154.18
  4. Step 4: Simplify right side
    194,497.61x = 22,227,699,352.06
  5. Step 5: Solve for x
    x = 22,227,699,352.06/194,497.61
  6. Step 6: Final answer
    x = 114,282.64

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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.