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Finding the Fourth Proportional to 74,071.72, 110,848.98 and 60,588.88

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Solution

The fourth proportional to 74,071.72, 110,848.98 and 60,588.88 is: 90,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,071.72 : 110,848.98 = 60,588.88 : x
  2. Step 2: Convert to fraction form
    74,071.72/110,848.98 = 60,588.88/x
  3. Step 3: Cross multiply
    74,071.72x = 110,848.98 × 60,588.88
  4. Step 4: Simplify right side
    74,071.72x = 6,716,215,547.34
  5. Step 5: Solve for x
    x = 6,716,215,547.34/74,071.72
  6. Step 6: Final answer
    x = 90,671.79

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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.