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Finding the Fourth Proportional to 217,510.74, 300,097.56 and 126,802.49

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Solution

The fourth proportional to 217,510.74, 300,097.56 and 126,802.49 is: 174,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,510.74 : 300,097.56 = 126,802.49 : x
  2. Step 2: Convert to fraction form
    217,510.74/300,097.56 = 126,802.49/x
  3. Step 3: Cross multiply
    217,510.74x = 300,097.56 × 126,802.49
  4. Step 4: Simplify right side
    217,510.74x = 38,053,116,956.71
  5. Step 5: Solve for x
    x = 38,053,116,956.71/217,510.74
  6. Step 6: Final answer
    x = 174,948.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.