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Finding the Fourth Proportional to 84,392.80, 116,459.76 and 46,665.76

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Solution

The fourth proportional to 84,392.80, 116,459.76 and 46,665.76 is: 64,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392.80 : 116,459.76 = 46,665.76 : x
  2. Step 2: Convert to fraction form
    84,392.80/116,459.76 = 46,665.76/x
  3. Step 3: Cross multiply
    84,392.80x = 116,459.76 × 46,665.76
  4. Step 4: Simplify right side
    84,392.80x = 5,434,683,209.82
  5. Step 5: Solve for x
    x = 5,434,683,209.82/84,392.80
  6. Step 6: Final answer
    x = 64,397.47

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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.