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Finding the Fourth Proportional to 163,036.45, 228,665.75 and 163,036.45

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Solution

The fourth proportional to 163,036.45, 228,665.75 and 163,036.45 is: 228,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036.45 : 228,665.75 = 163,036.45 : x
  2. Step 2: Convert to fraction form
    163,036.45/228,665.75 = 163,036.45/x
  3. Step 3: Cross multiply
    163,036.45x = 228,665.75 × 163,036.45
  4. Step 4: Simplify right side
    163,036.45x = 37,280,852,116.59
  5. Step 5: Solve for x
    x = 37,280,852,116.59/163,036.45
  6. Step 6: Final answer
    x = 228,665.75

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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.