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Finding the Fourth Proportional to 183,465.62, 253,210.22 and 111,887.16

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Solution

The fourth proportional to 183,465.62, 253,210.22 and 111,887.16 is: 154,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,465.62 : 253,210.22 = 111,887.16 : x
  2. Step 2: Convert to fraction form
    183,465.62/253,210.22 = 111,887.16/x
  3. Step 3: Cross multiply
    183,465.62x = 253,210.22 × 111,887.16
  4. Step 4: Simplify right side
    183,465.62x = 28,330,972,398.78
  5. Step 5: Solve for x
    x = 28,330,972,398.78/183,465.62
  6. Step 6: Final answer
    x = 154,421.15

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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.