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Finding the Fourth Proportional to 163,073.72, 224,833.42 and 105,611.51

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Solution

The fourth proportional to 163,073.72, 224,833.42 and 105,611.51 is: 145,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,073.72 : 224,833.42 = 105,611.51 : x
  2. Step 2: Convert to fraction form
    163,073.72/224,833.42 = 105,611.51/x
  3. Step 3: Cross multiply
    163,073.72x = 224,833.42 × 105,611.51
  4. Step 4: Simplify right side
    163,073.72x = 23,744,997,678.76
  5. Step 5: Solve for x
    x = 23,744,997,678.76/163,073.72
  6. Step 6: Final answer
    x = 145,608.98

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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.