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Finding the Fourth Proportional to 194,801.10, 292,000.05 and 105,866.70

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Solution

The fourth proportional to 194,801.10, 292,000.05 and 105,866.70 is: 158,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,801.10 : 292,000.05 = 105,866.70 : x
  2. Step 2: Convert to fraction form
    194,801.10/292,000.05 = 105,866.70/x
  3. Step 3: Cross multiply
    194,801.10x = 292,000.05 × 105,866.70
  4. Step 4: Simplify right side
    194,801.10x = 30,913,081,693.34
  5. Step 5: Solve for x
    x = 30,913,081,693.34/194,801.10
  6. Step 6: Final answer
    x = 158,690.49

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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.