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Finding the Fourth Proportional to 223,527.28, 308,461.48 and 122,925.28

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Solution

The fourth proportional to 223,527.28, 308,461.48 and 122,925.28 is: 169,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,527.28 : 308,461.48 = 122,925.28 : x
  2. Step 2: Convert to fraction form
    223,527.28/308,461.48 = 122,925.28/x
  3. Step 3: Cross multiply
    223,527.28x = 308,461.48 × 122,925.28
  4. Step 4: Simplify right side
    223,527.28x = 37,917,713,798.21
  5. Step 5: Solve for x
    x = 37,917,713,798.21/223,527.28
  6. Step 6: Final answer
    x = 169,633.50

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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.