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Finding the Fourth Proportional to 183,653.28, 253,547.28 and 123,311.52

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Solution

The fourth proportional to 183,653.28, 253,547.28 and 123,311.52 is: 170,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,653.28 : 253,547.28 = 123,311.52 : x
  2. Step 2: Convert to fraction form
    183,653.28/253,547.28 = 123,311.52/x
  3. Step 3: Cross multiply
    183,653.28x = 253,547.28 × 123,311.52
  4. Step 4: Simplify right side
    183,653.28x = 31,265,300,488.67
  5. Step 5: Solve for x
    x = 31,265,300,488.67/183,653.28
  6. Step 6: Final answer
    x = 170,240.90

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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.