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Finding the Fourth Proportional to 194,970.80, 292,456.20 and 101,464.40

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Solution

The fourth proportional to 194,970.80, 292,456.20 and 101,464.40 is: 152,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,970.80 : 292,456.20 = 101,464.40 : x
  2. Step 2: Convert to fraction form
    194,970.80/292,456.20 = 101,464.40/x
  3. Step 3: Cross multiply
    194,970.80x = 292,456.20 × 101,464.40
  4. Step 4: Simplify right side
    194,970.80x = 29,673,892,859.28
  5. Step 5: Solve for x
    x = 29,673,892,859.28/194,970.80
  6. Step 6: Final answer
    x = 152,196.60

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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.