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Finding the Fourth Proportional to 165,374.60, 228,210.21 and 97,394.40

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Solution

The fourth proportional to 165,374.60, 228,210.21 and 97,394.40 is: 134,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,374.60 : 228,210.21 = 97,394.40 : x
  2. Step 2: Convert to fraction form
    165,374.60/228,210.21 = 97,394.40/x
  3. Step 3: Cross multiply
    165,374.60x = 228,210.21 × 97,394.40
  4. Step 4: Simplify right side
    165,374.60x = 22,226,396,476.82
  5. Step 5: Solve for x
    x = 22,226,396,476.82/165,374.60
  6. Step 6: Final answer
    x = 134,400.31

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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.