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Finding the Fourth Proportional to 176,416.62, 243,455.88 and 108,477.98

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Solution

The fourth proportional to 176,416.62, 243,455.88 and 108,477.98 is: 149,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,416.62 : 243,455.88 = 108,477.98 : x
  2. Step 2: Convert to fraction form
    176,416.62/243,455.88 = 108,477.98/x
  3. Step 3: Cross multiply
    176,416.62x = 243,455.88 × 108,477.98
  4. Step 4: Simplify right side
    176,416.62x = 26,409,602,961.36
  5. Step 5: Solve for x
    x = 26,409,602,961.36/176,416.62
  6. Step 6: Final answer
    x = 149,700.20

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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.