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Finding the Fourth Proportional to 84,278.37, 116,307.55 and 48,468.37

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Solution

The fourth proportional to 84,278.37, 116,307.55 and 48,468.37 is: 66,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278.37 : 116,307.55 = 48,468.37 : x
  2. Step 2: Convert to fraction form
    84,278.37/116,307.55 = 48,468.37/x
  3. Step 3: Cross multiply
    84,278.37x = 116,307.55 × 48,468.37
  4. Step 4: Simplify right side
    84,278.37x = 5,637,237,367.19
  5. Step 5: Solve for x
    x = 5,637,237,367.19/84,278.37
  6. Step 6: Final answer
    x = 66,888.31

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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.