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Finding the Fourth Proportional to 176,730.32, 243,807.48 and 105,069.68

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Solution

The fourth proportional to 176,730.32, 243,807.48 and 105,069.68 is: 144,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,730.32 : 243,807.48 = 105,069.68 : x
  2. Step 2: Convert to fraction form
    176,730.32/243,807.48 = 105,069.68/x
  3. Step 3: Cross multiply
    176,730.32x = 243,807.48 × 105,069.68
  4. Step 4: Simplify right side
    176,730.32x = 25,616,773,905.21
  5. Step 5: Solve for x
    x = 25,616,773,905.21/176,730.32
  6. Step 6: Final answer
    x = 144,948.38

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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.