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Finding the Fourth Proportional to 210,810.60, 316,196.46 and 70,570.44

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Solution

The fourth proportional to 210,810.60, 316,196.46 and 70,570.44 is: 105,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,810.60 : 316,196.46 = 70,570.44 : x
  2. Step 2: Convert to fraction form
    210,810.60/316,196.46 = 70,570.44/x
  3. Step 3: Cross multiply
    210,810.60x = 316,196.46 × 70,570.44
  4. Step 4: Simplify right side
    210,810.60x = 22,314,123,308.64
  5. Step 5: Solve for x
    x = 22,314,123,308.64/210,810.60
  6. Step 6: Final answer
    x = 105,849.15

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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.