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Finding the Fourth Proportional to 164,053.40, 245,642.70 and 164,053.40

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Solution

The fourth proportional to 164,053.40, 245,642.70 and 164,053.40 is: 245,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,053.40 : 245,642.70 = 164,053.40 : x
  2. Step 2: Convert to fraction form
    164,053.40/245,642.70 = 164,053.40/x
  3. Step 3: Cross multiply
    164,053.40x = 245,642.70 × 164,053.40
  4. Step 4: Simplify right side
    164,053.40x = 40,298,520,120.18
  5. Step 5: Solve for x
    x = 40,298,520,120.18/164,053.40
  6. Step 6: Final answer
    x = 245,642.70

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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.