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Finding the Fourth Proportional to 235,462.24, 324,936.14 and 128,032.34

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Solution

The fourth proportional to 235,462.24, 324,936.14 and 128,032.34 is: 176,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,462.24 : 324,936.14 = 128,032.34 : x
  2. Step 2: Convert to fraction form
    235,462.24/324,936.14 = 128,032.34/x
  3. Step 3: Cross multiply
    235,462.24x = 324,936.14 × 128,032.34
  4. Step 4: Simplify right side
    235,462.24x = 41,602,334,354.77
  5. Step 5: Solve for x
    x = 41,602,334,354.77/235,462.24
  6. Step 6: Final answer
    x = 176,683.68

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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.