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Finding the Fourth Proportional to 84,970.71, 117,257.27 and 46,730.27

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Solution

The fourth proportional to 84,970.71, 117,257.27 and 46,730.27 is: 64,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,970.71 : 117,257.27 = 46,730.27 : x
  2. Step 2: Convert to fraction form
    84,970.71/117,257.27 = 46,730.27/x
  3. Step 3: Cross multiply
    84,970.71x = 117,257.27 × 46,730.27
  4. Step 4: Simplify right side
    84,970.71x = 5,479,463,946.05
  5. Step 5: Solve for x
    x = 5,479,463,946.05/84,970.71
  6. Step 6: Final answer
    x = 64,486.50

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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.