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Finding the Fourth Proportional to 165,881.50, 228,916.54 and 94,261.60

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Solution

The fourth proportional to 165,881.50, 228,916.54 and 94,261.60 is: 130,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,881.50 : 228,916.54 = 94,261.60 : x
  2. Step 2: Convert to fraction form
    165,881.50/228,916.54 = 94,261.60/x
  3. Step 3: Cross multiply
    165,881.50x = 228,916.54 × 94,261.60
  4. Step 4: Simplify right side
    165,881.50x = 21,578,039,326.86
  5. Step 5: Solve for x
    x = 21,578,039,326.86/165,881.50
  6. Step 6: Final answer
    x = 130,081.05

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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.