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Finding the Fourth Proportional to 268,214.66, 370,142.75 and 147,363.77

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Solution

The fourth proportional to 268,214.66, 370,142.75 and 147,363.77 is: 203,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,214.66 : 370,142.75 = 147,363.77 : x
  2. Step 2: Convert to fraction form
    268,214.66/370,142.75 = 147,363.77/x
  3. Step 3: Cross multiply
    268,214.66x = 370,142.75 × 147,363.77
  4. Step 4: Simplify right side
    268,214.66x = 54,545,628,490.63
  5. Step 5: Solve for x
    x = 54,545,628,490.63/268,214.66
  6. Step 6: Final answer
    x = 203,365.58

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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.