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Finding the Fourth Proportional to 230,483, 318,066.54 and 124,499

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Solution

The fourth proportional to 230,483, 318,066.54 and 124,499 is: 171,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,483 : 318,066.54 = 124,499 : x
  2. Step 2: Convert to fraction form
    230,483/318,066.54 = 124,499/x
  3. Step 3: Cross multiply
    230,483x = 318,066.54 × 124,499
  4. Step 4: Simplify right side
    230,483x = 39,598,966,163.46
  5. Step 5: Solve for x
    x = 39,598,966,163.46/230,483
  6. Step 6: Final answer
    x = 171,808.62

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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.