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Finding the Fourth Proportional to 183,350.70, 253,019.10 and 102,783.45

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Solution

The fourth proportional to 183,350.70, 253,019.10 and 102,783.45 is: 141,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,350.70 : 253,019.10 = 102,783.45 : x
  2. Step 2: Convert to fraction form
    183,350.70/253,019.10 = 102,783.45/x
  3. Step 3: Cross multiply
    183,350.70x = 253,019.10 × 102,783.45
  4. Step 4: Simplify right side
    183,350.70x = 26,006,176,013.90
  5. Step 5: Solve for x
    x = 26,006,176,013.90/183,350.70
  6. Step 6: Final answer
    x = 141,838.43

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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.