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Finding the Fourth Proportional to 109,309,435.30, 163,964,152.95 and 109,309,435.30

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Solution

The fourth proportional to 109,309,435.30, 163,964,152.95 and 109,309,435.30 is: 163,964,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,309,435.30 : 163,964,152.95 = 109,309,435.30 : x
  2. Step 2: Convert to fraction form
    109,309,435.30/163,964,152.95 = 109,309,435.30/x
  3. Step 3: Cross multiply
    109,309,435.30x = 163,964,152.95 × 109,309,435.30
  4. Step 4: Simplify right side
    109,309,435.30x = 17,922,828,968,407,328
  5. Step 5: Solve for x
    x = 17,922,828,968,407,328/109,309,435.30
  6. Step 6: Final answer
    x = 163,964,152.95

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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.