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Finding the Fourth Proportional to 210,850.80, 316,276.20 and 70,594.80

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Solution

The fourth proportional to 210,850.80, 316,276.20 and 70,594.80 is: 105,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,850.80 : 316,276.20 = 70,594.80 : x
  2. Step 2: Convert to fraction form
    210,850.80/316,276.20 = 70,594.80/x
  3. Step 3: Cross multiply
    210,850.80x = 316,276.20 × 70,594.80
  4. Step 4: Simplify right side
    210,850.80x = 22,327,455,083.76
  5. Step 5: Solve for x
    x = 22,327,455,083.76/210,850.80
  6. Step 6: Final answer
    x = 105,892.20

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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.