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Finding the Fourth Proportional to 163,088.40, 219,469.50 and 163,088.40

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Solution

The fourth proportional to 163,088.40, 219,469.50 and 163,088.40 is: 219,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,088.40 : 219,469.50 = 163,088.40 : x
  2. Step 2: Convert to fraction form
    163,088.40/219,469.50 = 163,088.40/x
  3. Step 3: Cross multiply
    163,088.40x = 219,469.50 × 163,088.40
  4. Step 4: Simplify right side
    163,088.40x = 35,792,929,603.80
  5. Step 5: Solve for x
    x = 35,792,929,603.80/163,088.40
  6. Step 6: Final answer
    x = 219,469.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.