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Finding the Fourth Proportional to 78,903.17, 108,858.17 and 46,630.97

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Solution

The fourth proportional to 78,903.17, 108,858.17 and 46,630.97 is: 64,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903.17 : 108,858.17 = 46,630.97 : x
  2. Step 2: Convert to fraction form
    78,903.17/108,858.17 = 46,630.97/x
  3. Step 3: Cross multiply
    78,903.17x = 108,858.17 × 46,630.97
  4. Step 4: Simplify right side
    78,903.17x = 5,076,161,826.37
  5. Step 5: Solve for x
    x = 5,076,161,826.37/78,903.17
  6. Step 6: Final answer
    x = 64,334.07

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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.