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Finding the Fourth Proportional to 116,699.76, 174,848.04 and 91,898.16

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Solution

The fourth proportional to 116,699.76, 174,848.04 and 91,898.16 is: 137,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,699.76 : 174,848.04 = 91,898.16 : x
  2. Step 2: Convert to fraction form
    116,699.76/174,848.04 = 91,898.16/x
  3. Step 3: Cross multiply
    116,699.76x = 174,848.04 × 91,898.16
  4. Step 4: Simplify right side
    116,699.76x = 16,068,213,155.61
  5. Step 5: Solve for x
    x = 16,068,213,155.61/116,699.76
  6. Step 6: Final answer
    x = 137,688.49

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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.