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Finding the Fourth Proportional to 148,307.36, 204,674.65 and 84,654.72

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Solution

The fourth proportional to 148,307.36, 204,674.65 and 84,654.72 is: 116,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,307.36 : 204,674.65 = 84,654.72 : x
  2. Step 2: Convert to fraction form
    148,307.36/204,674.65 = 84,654.72/x
  3. Step 3: Cross multiply
    148,307.36x = 204,674.65 × 84,654.72
  4. Step 4: Simplify right side
    148,307.36x = 17,326,674,975.21
  5. Step 5: Solve for x
    x = 17,326,674,975.21/148,307.36
  6. Step 6: Final answer
    x = 116,829.51

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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.