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Finding the Fourth Proportional to 116,368.68, 174,344.28 and 70,693.32

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Solution

The fourth proportional to 116,368.68, 174,344.28 and 70,693.32 is: 105,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,368.68 : 174,344.28 = 70,693.32 : x
  2. Step 2: Convert to fraction form
    116,368.68/174,344.28 = 70,693.32/x
  3. Step 3: Cross multiply
    116,368.68x = 174,344.28 × 70,693.32
  4. Step 4: Simplify right side
    116,368.68x = 12,324,975,976.21
  5. Step 5: Solve for x
    x = 12,324,975,976.21/116,368.68
  6. Step 6: Final answer
    x = 105,913.17

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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.