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Finding the Fourth Proportional to 164,056.40, 245,647.20 and 164,056.40

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Solution

The fourth proportional to 164,056.40, 245,647.20 and 164,056.40 is: 245,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,056.40 : 245,647.20 = 164,056.40 : x
  2. Step 2: Convert to fraction form
    164,056.40/245,647.20 = 164,056.40/x
  3. Step 3: Cross multiply
    164,056.40x = 245,647.20 × 164,056.40
  4. Step 4: Simplify right side
    164,056.40x = 40,299,995,302.08
  5. Step 5: Solve for x
    x = 40,299,995,302.08/164,056.40
  6. Step 6: Final answer
    x = 245,647.20

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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.