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Finding the Fourth Proportional to 173,848.32, 260,772.48 and 90,722.88

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Solution

The fourth proportional to 173,848.32, 260,772.48 and 90,722.88 is: 136,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,848.32 : 260,772.48 = 90,722.88 : x
  2. Step 2: Convert to fraction form
    173,848.32/260,772.48 = 90,722.88/x
  3. Step 3: Cross multiply
    173,848.32x = 260,772.48 × 90,722.88
  4. Step 4: Simplify right side
    173,848.32x = 23,658,030,410.34
  5. Step 5: Solve for x
    x = 23,658,030,410.34/173,848.32
  6. Step 6: Final answer
    x = 136,084.32

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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.