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Finding the Fourth Proportional to 146,145.60, 219,096.90 and 61,970.40

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Solution

The fourth proportional to 146,145.60, 219,096.90 and 61,970.40 is: 92,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.60 : 219,096.90 = 61,970.40 : x
  2. Step 2: Convert to fraction form
    146,145.60/219,096.90 = 61,970.40/x
  3. Step 3: Cross multiply
    146,145.60x = 219,096.90 × 61,970.40
  4. Step 4: Simplify right side
    146,145.60x = 13,577,522,531.76
  5. Step 5: Solve for x
    x = 13,577,522,531.76/146,145.60
  6. Step 6: Final answer
    x = 92,904.08

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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.