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Finding the Fourth Proportional to 220,001.68, 303,602.16 and 124,506.64

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Solution

The fourth proportional to 220,001.68, 303,602.16 and 124,506.64 is: 171,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,001.68 : 303,602.16 = 124,506.64 : x
  2. Step 2: Convert to fraction form
    220,001.68/303,602.16 = 124,506.64/x
  3. Step 3: Cross multiply
    220,001.68x = 303,602.16 × 124,506.64
  4. Step 4: Simplify right side
    220,001.68x = 37,800,484,838.34
  5. Step 5: Solve for x
    x = 37,800,484,838.34/220,001.68
  6. Step 6: Final answer
    x = 171,819.07

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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.