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Finding the Fourth Proportional to 164,220.60, 245,870.10 and 159,612.60

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Solution

The fourth proportional to 164,220.60, 245,870.10 and 159,612.60 is: 238,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,220.60 : 245,870.10 = 159,612.60 : x
  2. Step 2: Convert to fraction form
    164,220.60/245,870.10 = 159,612.60/x
  3. Step 3: Cross multiply
    164,220.60x = 245,870.10 × 159,612.60
  4. Step 4: Simplify right side
    164,220.60x = 39,243,965,923.26
  5. Step 5: Solve for x
    x = 39,243,965,923.26/164,220.60
  6. Step 6: Final answer
    x = 238,971.03

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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.