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Finding the Fourth Proportional to 103,060.34, 154,565.63 and 43,056.39

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Solution

The fourth proportional to 103,060.34, 154,565.63 and 43,056.39 is: 64,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060.34 : 154,565.63 = 43,056.39 : x
  2. Step 2: Convert to fraction form
    103,060.34/154,565.63 = 43,056.39/x
  3. Step 3: Cross multiply
    103,060.34x = 154,565.63 × 43,056.39
  4. Step 4: Simplify right side
    103,060.34x = 6,655,037,830.59
  5. Step 5: Solve for x
    x = 6,655,037,830.59/103,060.34
  6. Step 6: Final answer
    x = 64,574.19

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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.