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Finding the Fourth Proportional to 84,071.81, 116,021.53 and 46,348.49

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Solution

The fourth proportional to 84,071.81, 116,021.53 and 46,348.49 is: 63,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.81 : 116,021.53 = 46,348.49 : x
  2. Step 2: Convert to fraction form
    84,071.81/116,021.53 = 46,348.49/x
  3. Step 3: Cross multiply
    84,071.81x = 116,021.53 × 46,348.49
  4. Step 4: Simplify right side
    84,071.81x = 5,377,423,070.98
  5. Step 5: Solve for x
    x = 5,377,423,070.98/84,071.81
  6. Step 6: Final answer
    x = 63,962.26

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1.5x scale

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.