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Finding the Fourth Proportional to 207,290.59, 310,437.61 and 118,274.22

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Solution

The fourth proportional to 207,290.59, 310,437.61 and 118,274.22 is: 177,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,290.59 : 310,437.61 = 118,274.22 : x
  2. Step 2: Convert to fraction form
    207,290.59/310,437.61 = 118,274.22/x
  3. Step 3: Cross multiply
    207,290.59x = 310,437.61 × 118,274.22
  4. Step 4: Simplify right side
    207,290.59x = 36,716,765,590.04
  5. Step 5: Solve for x
    x = 36,716,765,590.04/207,290.59
  6. Step 6: Final answer
    x = 177,127.03

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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.