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Finding the Fourth Proportional to 84,711.40, 116,904.90 and 46,468.60

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Solution

The fourth proportional to 84,711.40, 116,904.90 and 46,468.60 is: 64,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,711.40 : 116,904.90 = 46,468.60 : x
  2. Step 2: Convert to fraction form
    84,711.40/116,904.90 = 46,468.60/x
  3. Step 3: Cross multiply
    84,711.40x = 116,904.90 × 46,468.60
  4. Step 4: Simplify right side
    84,711.40x = 5,432,407,036.14
  5. Step 5: Solve for x
    x = 5,432,407,036.14/84,711.40
  6. Step 6: Final answer
    x = 64,128.41

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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.