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Finding the Fourth Proportional to 169,657.60, 254,590.40 and 69,865.60

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Solution

The fourth proportional to 169,657.60, 254,590.40 and 69,865.60 is: 104,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,657.60 : 254,590.40 = 69,865.60 : x
  2. Step 2: Convert to fraction form
    169,657.60/254,590.40 = 69,865.60/x
  3. Step 3: Cross multiply
    169,657.60x = 254,590.40 × 69,865.60
  4. Step 4: Simplify right side
    169,657.60x = 17,787,111,050.24
  5. Step 5: Solve for x
    x = 17,787,111,050.24/169,657.60
  6. Step 6: Final answer
    x = 104,841.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.