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Finding the Fourth Proportional to 162,675.71, 224,492.44 and 91,055.74

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Solution

The fourth proportional to 162,675.71, 224,492.44 and 91,055.74 is: 125,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,675.71 : 224,492.44 = 91,055.74 : x
  2. Step 2: Convert to fraction form
    162,675.71/224,492.44 = 91,055.74/x
  3. Step 3: Cross multiply
    162,675.71x = 224,492.44 × 91,055.74
  4. Step 4: Simplify right side
    162,675.71x = 20,441,325,248.61
  5. Step 5: Solve for x
    x = 20,441,325,248.61/162,675.71
  6. Step 6: Final answer
    x = 125,656.90

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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.