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Finding the Fourth Proportional to 153,925.52, 230,712.12 and 69,749.84

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Solution

The fourth proportional to 153,925.52, 230,712.12 and 69,749.84 is: 104,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,925.52 : 230,712.12 = 69,749.84 : x
  2. Step 2: Convert to fraction form
    153,925.52/230,712.12 = 69,749.84/x
  3. Step 3: Cross multiply
    153,925.52x = 230,712.12 × 69,749.84
  4. Step 4: Simplify right side
    153,925.52x = 16,092,133,456.06
  5. Step 5: Solve for x
    x = 16,092,133,456.06/153,925.52
  6. Step 6: Final answer
    x = 104,544.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.