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Finding the Fourth Proportional to 183,730.80, 253,529.64 and 103,167.22

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Solution

The fourth proportional to 183,730.80, 253,529.64 and 103,167.22 is: 142,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,730.80 : 253,529.64 = 103,167.22 : x
  2. Step 2: Convert to fraction form
    183,730.80/253,529.64 = 103,167.22/x
  3. Step 3: Cross multiply
    183,730.80x = 253,529.64 × 103,167.22
  4. Step 4: Simplify right side
    183,730.80x = 26,155,948,146.40
  5. Step 5: Solve for x
    x = 26,155,948,146.40/183,730.80
  6. Step 6: Final answer
    x = 142,360.17

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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.