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Finding the Fourth Proportional to 207,105.71, 310,160.30 and 118,089.35

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Solution

The fourth proportional to 207,105.71, 310,160.30 and 118,089.35 is: 176,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,105.71 : 310,160.30 = 118,089.35 : x
  2. Step 2: Convert to fraction form
    207,105.71/310,160.30 = 118,089.35/x
  3. Step 3: Cross multiply
    207,105.71x = 310,160.30 × 118,089.35
  4. Step 4: Simplify right side
    207,105.71x = 36,626,626,967.23
  5. Step 5: Solve for x
    x = 36,626,626,967.23/207,105.71
  6. Step 6: Final answer
    x = 176,849.92

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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.