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Finding the Fourth Proportional to 183,707.80, 253,499.25 and 103,116.84

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Solution

The fourth proportional to 183,707.80, 253,499.25 and 103,116.84 is: 142,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,707.80 : 253,499.25 = 103,116.84 : x
  2. Step 2: Convert to fraction form
    183,707.80/253,499.25 = 103,116.84/x
  3. Step 3: Cross multiply
    183,707.80x = 253,499.25 × 103,116.84
  4. Step 4: Simplify right side
    183,707.80x = 26,140,041,602.37
  5. Step 5: Solve for x
    x = 26,140,041,602.37/183,707.80
  6. Step 6: Final answer
    x = 142,291.41

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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.