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Finding the Fourth Proportional to 162,305.00, 243,460.95 and 55,688.49

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Solution

The fourth proportional to 162,305.00, 243,460.95 and 55,688.49 is: 83,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,305.00 : 243,460.95 = 55,688.49 : x
  2. Step 2: Convert to fraction form
    162,305.00/243,460.95 = 55,688.49/x
  3. Step 3: Cross multiply
    162,305.00x = 243,460.95 × 55,688.49
  4. Step 4: Simplify right side
    162,305.00x = 13,557,972,070.81
  5. Step 5: Solve for x
    x = 13,557,972,070.81/162,305.00
  6. Step 6: Final answer
    x = 83,533.92

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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.