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Finding the Fourth Proportional to 202,197.64, 279,030.82 and 111,554.34

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Solution

The fourth proportional to 202,197.64, 279,030.82 and 111,554.34 is: 153,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,197.64 : 279,030.82 = 111,554.34 : x
  2. Step 2: Convert to fraction form
    202,197.64/279,030.82 = 111,554.34/x
  3. Step 3: Cross multiply
    202,197.64x = 279,030.82 × 111,554.34
  4. Step 4: Simplify right side
    202,197.64x = 31,127,098,964.76
  5. Step 5: Solve for x
    x = 31,127,098,964.76/202,197.64
  6. Step 6: Final answer
    x = 153,943.93

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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.