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Finding the Fourth Proportional to 223,576.18, 308,533.66 and 126,798.46

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Solution

The fourth proportional to 223,576.18, 308,533.66 and 126,798.46 is: 174,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,576.18 : 308,533.66 = 126,798.46 : x
  2. Step 2: Convert to fraction form
    223,576.18/308,533.66 = 126,798.46/x
  3. Step 3: Cross multiply
    223,576.18x = 308,533.66 × 126,798.46
  4. Step 4: Simplify right side
    223,576.18x = 39,121,592,946.16
  5. Step 5: Solve for x
    x = 39,121,592,946.16/223,576.18
  6. Step 6: Final answer
    x = 174,981.04

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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.