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Finding the Fourth Proportional to 84,710.40, 116,902.40 and 46,986.24

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Solution

The fourth proportional to 84,710.40, 116,902.40 and 46,986.24 is: 64,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.40 : 116,902.40 = 46,986.24 : x
  2. Step 2: Convert to fraction form
    84,710.40/116,902.40 = 46,986.24/x
  3. Step 3: Cross multiply
    84,710.40x = 116,902.40 × 46,986.24
  4. Step 4: Simplify right side
    84,710.40x = 5,492,804,222.98
  5. Step 5: Solve for x
    x = 5,492,804,222.98/84,710.40
  6. Step 6: Final answer
    x = 64,842.15

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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.