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Finding the Fourth Proportional to 84,307.34, 116,368.37 and 55,647.92

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Solution

The fourth proportional to 84,307.34, 116,368.37 and 55,647.92 is: 76,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,307.34 : 116,368.37 = 55,647.92 : x
  2. Step 2: Convert to fraction form
    84,307.34/116,368.37 = 55,647.92/x
  3. Step 3: Cross multiply
    84,307.34x = 116,368.37 × 55,647.92
  4. Step 4: Simplify right side
    84,307.34x = 6,475,656,884.21
  5. Step 5: Solve for x
    x = 6,475,656,884.21/84,307.34
  6. Step 6: Final answer
    x = 76,810.12

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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.