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Finding the Fourth Proportional to 85,263.31, 117,664.27 and 47,024.53

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Solution

The fourth proportional to 85,263.31, 117,664.27 and 47,024.53 is: 64,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263.31 : 117,664.27 = 47,024.53 : x
  2. Step 2: Convert to fraction form
    85,263.31/117,664.27 = 47,024.53/x
  3. Step 3: Cross multiply
    85,263.31x = 117,664.27 × 47,024.53
  4. Step 4: Simplify right side
    85,263.31x = 5,533,106,994.54
  5. Step 5: Solve for x
    x = 5,533,106,994.54/85,263.31
  6. Step 6: Final answer
    x = 64,894.35

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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.