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Finding the Fourth Proportional to 183,703.52, 253,493.35 and 103,112.57

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Solution

The fourth proportional to 183,703.52, 253,493.35 and 103,112.57 is: 142,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,703.52 : 253,493.35 = 103,112.57 : x
  2. Step 2: Convert to fraction form
    183,703.52/253,493.35 = 103,112.57/x
  3. Step 3: Cross multiply
    183,703.52x = 253,493.35 × 103,112.57
  4. Step 4: Simplify right side
    183,703.52x = 26,138,349,013.38
  5. Step 5: Solve for x
    x = 26,138,349,013.38/183,703.52
  6. Step 6: Final answer
    x = 142,285.51

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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.