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Finding the Fourth Proportional to 162,985.95, 228,335.85 and 162,985.95

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Solution

The fourth proportional to 162,985.95, 228,335.85 and 162,985.95 is: 228,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,985.95 : 228,335.85 = 162,985.95 : x
  2. Step 2: Convert to fraction form
    162,985.95/228,335.85 = 162,985.95/x
  3. Step 3: Cross multiply
    162,985.95x = 228,335.85 × 162,985.95
  4. Step 4: Simplify right side
    162,985.95x = 37,215,535,431.31
  5. Step 5: Solve for x
    x = 37,215,535,431.31/162,985.95
  6. Step 6: Final answer
    x = 228,335.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.