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Finding the Fourth Proportional to 84,657.15, 116,828.19 and 46,420.20

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Solution

The fourth proportional to 84,657.15, 116,828.19 and 46,420.20 is: 64,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657.15 : 116,828.19 = 46,420.20 : x
  2. Step 2: Convert to fraction form
    84,657.15/116,828.19 = 46,420.20/x
  3. Step 3: Cross multiply
    84,657.15x = 116,828.19 × 46,420.20
  4. Step 4: Simplify right side
    84,657.15x = 5,423,187,945.44
  5. Step 5: Solve for x
    x = 5,423,187,945.44/84,657.15
  6. Step 6: Final answer
    x = 64,060.60

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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.