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Finding the Fourth Proportional to 207,068.10, 310,602.15 and 73,952.70

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Solution

The fourth proportional to 207,068.10, 310,602.15 and 73,952.70 is: 110,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,068.10 : 310,602.15 = 73,952.70 : x
  2. Step 2: Convert to fraction form
    207,068.10/310,602.15 = 73,952.70/x
  3. Step 3: Cross multiply
    207,068.10x = 310,602.15 × 73,952.70
  4. Step 4: Simplify right side
    207,068.10x = 22,969,867,618.31
  5. Step 5: Solve for x
    x = 22,969,867,618.31/207,068.10
  6. Step 6: Final answer
    x = 110,929.05

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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.