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Finding the Fourth Proportional to 176,602.60, 242,871.78 and 162,605.80

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Solution

The fourth proportional to 176,602.60, 242,871.78 and 162,605.80 is: 223,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,602.60 : 242,871.78 = 162,605.80 : x
  2. Step 2: Convert to fraction form
    176,602.60/242,871.78 = 162,605.80/x
  3. Step 3: Cross multiply
    176,602.60x = 242,871.78 × 162,605.80
  4. Step 4: Simplify right side
    176,602.60x = 39,492,360,084.32
  5. Step 5: Solve for x
    x = 39,492,360,084.32/176,602.60
  6. Step 6: Final answer
    x = 223,622.76

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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.