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Finding the Fourth Proportional to 183,686.40, 275,464.80 and 83,894.40

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Solution

The fourth proportional to 183,686.40, 275,464.80 and 83,894.40 is: 125,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,686.40 : 275,464.80 = 83,894.40 : x
  2. Step 2: Convert to fraction form
    183,686.40/275,464.80 = 83,894.40/x
  3. Step 3: Cross multiply
    183,686.40x = 275,464.80 × 83,894.40
  4. Step 4: Simplify right side
    183,686.40x = 23,109,954,117.12
  5. Step 5: Solve for x
    x = 23,109,954,117.12/183,686.40
  6. Step 6: Final answer
    x = 125,812.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.