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Finding the Fourth Proportional to 110,794.64, 152,929.32 and 77,271.44

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Solution

The fourth proportional to 110,794.64, 152,929.32 and 77,271.44 is: 106,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,794.64 : 152,929.32 = 77,271.44 : x
  2. Step 2: Convert to fraction form
    110,794.64/152,929.32 = 77,271.44/x
  3. Step 3: Cross multiply
    110,794.64x = 152,929.32 × 77,271.44
  4. Step 4: Simplify right side
    110,794.64x = 11,817,068,774.62
  5. Step 5: Solve for x
    x = 11,817,068,774.62/110,794.64
  6. Step 6: Final answer
    x = 106,657.40

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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.