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Finding the Fourth Proportional to 124,953.84, 172,440.44 and 68,365.24

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Solution

The fourth proportional to 124,953.84, 172,440.44 and 68,365.24 is: 94,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.84 : 172,440.44 = 68,365.24 : x
  2. Step 2: Convert to fraction form
    124,953.84/172,440.44 = 68,365.24/x
  3. Step 3: Cross multiply
    124,953.84x = 172,440.44 × 68,365.24
  4. Step 4: Simplify right side
    124,953.84x = 11,788,932,066.31
  5. Step 5: Solve for x
    x = 11,788,932,066.31/124,953.84
  6. Step 6: Final answer
    x = 94,346.30

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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.