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Finding the Fourth Proportional to 194,856.60, 292,284.90 and 163,363.80

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Solution

The fourth proportional to 194,856.60, 292,284.90 and 163,363.80 is: 245,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,856.60 : 292,284.90 = 163,363.80 : x
  2. Step 2: Convert to fraction form
    194,856.60/292,284.90 = 163,363.80/x
  3. Step 3: Cross multiply
    194,856.60x = 292,284.90 × 163,363.80
  4. Step 4: Simplify right side
    194,856.60x = 47,748,771,946.62
  5. Step 5: Solve for x
    x = 47,748,771,946.62/194,856.60
  6. Step 6: Final answer
    x = 245,045.70

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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.