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Finding the Fourth Proportional to 162,969.60, 244,497.60 and 57,777.60

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Solution

The fourth proportional to 162,969.60, 244,497.60 and 57,777.60 is: 86,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,969.60 : 244,497.60 = 57,777.60 : x
  2. Step 2: Convert to fraction form
    162,969.60/244,497.60 = 57,777.60/x
  3. Step 3: Cross multiply
    162,969.60x = 244,497.60 × 57,777.60
  4. Step 4: Simplify right side
    162,969.60x = 14,126,484,533.76
  5. Step 5: Solve for x
    x = 14,126,484,533.76/162,969.60
  6. Step 6: Final answer
    x = 86,681.72

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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.