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Finding the Fourth Proportional to 235,300.56, 324,686.16 and 133,337.76

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Solution

The fourth proportional to 235,300.56, 324,686.16 and 133,337.76 is: 183,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,300.56 : 324,686.16 = 133,337.76 : x
  2. Step 2: Convert to fraction form
    235,300.56/324,686.16 = 133,337.76/x
  3. Step 3: Cross multiply
    235,300.56x = 324,686.16 × 133,337.76
  4. Step 4: Simplify right side
    235,300.56x = 43,292,925,277.40
  5. Step 5: Solve for x
    x = 43,292,925,277.40/235,300.56
  6. Step 6: Final answer
    x = 183,989.89

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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.