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Finding the Fourth Proportional to 84,071.71, 116,019.40 and 46,345.96

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Solution

The fourth proportional to 84,071.71, 116,019.40 and 46,345.96 is: 63,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.71 : 116,019.40 = 46,345.96 : x
  2. Step 2: Convert to fraction form
    84,071.71/116,019.40 = 46,345.96/x
  3. Step 3: Cross multiply
    84,071.71x = 116,019.40 × 46,345.96
  4. Step 4: Simplify right side
    84,071.71x = 5,377,030,471.62
  5. Step 5: Solve for x
    x = 5,377,030,471.62/84,071.71
  6. Step 6: Final answer
    x = 63,957.67

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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.