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Finding the Fourth Proportional to 84,657.66, 116,828.88 and 46,420.70

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Solution

The fourth proportional to 84,657.66, 116,828.88 and 46,420.70 is: 64,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657.66 : 116,828.88 = 46,420.70 : x
  2. Step 2: Convert to fraction form
    84,657.66/116,828.88 = 46,420.70/x
  3. Step 3: Cross multiply
    84,657.66x = 116,828.88 × 46,420.70
  4. Step 4: Simplify right side
    84,657.66x = 5,423,278,389.82
  5. Step 5: Solve for x
    x = 5,423,278,389.82/84,657.66
  6. Step 6: Final answer
    x = 64,061.28

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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.