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Finding the Fourth Proportional to 163,538.70, 228,429.30 and 163,538.70

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Solution

The fourth proportional to 163,538.70, 228,429.30 and 163,538.70 is: 228,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,538.70 : 228,429.30 = 163,538.70 : x
  2. Step 2: Convert to fraction form
    163,538.70/228,429.30 = 163,538.70/x
  3. Step 3: Cross multiply
    163,538.70x = 228,429.30 × 163,538.70
  4. Step 4: Simplify right side
    163,538.70x = 37,357,030,763.91
  5. Step 5: Solve for x
    x = 37,357,030,763.91/163,538.70
  6. Step 6: Final answer
    x = 228,429.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.