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Finding the Fourth Proportional to 84,143.84, 116,118.88 and 46,418.08

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Solution

The fourth proportional to 84,143.84, 116,118.88 and 46,418.08 is: 64,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,143.84 : 116,118.88 = 46,418.08 : x
  2. Step 2: Convert to fraction form
    84,143.84/116,118.88 = 46,418.08/x
  3. Step 3: Cross multiply
    84,143.84x = 116,118.88 × 46,418.08
  4. Step 4: Simplify right side
    84,143.84x = 5,390,015,461.35
  5. Step 5: Solve for x
    x = 5,390,015,461.35/84,143.84
  6. Step 6: Final answer
    x = 64,057.16

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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.