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Finding the Fourth Proportional to 84,000.25, 115,920.35 and 46,276.93

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Solution

The fourth proportional to 84,000.25, 115,920.35 and 46,276.93 is: 63,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000.25 : 115,920.35 = 46,276.93 : x
  2. Step 2: Convert to fraction form
    84,000.25/115,920.35 = 46,276.93/x
  3. Step 3: Cross multiply
    84,000.25x = 115,920.35 × 46,276.93
  4. Step 4: Simplify right side
    84,000.25x = 5,364,437,922.53
  5. Step 5: Solve for x
    x = 5,364,437,922.53/84,000.25
  6. Step 6: Final answer
    x = 63,862.17

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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.