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Finding the Fourth Proportional to 163,906.80, 245,957.40 and 107,907.45

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Solution

The fourth proportional to 163,906.80, 245,957.40 and 107,907.45 is: 161,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,906.80 : 245,957.40 = 107,907.45 : x
  2. Step 2: Convert to fraction form
    163,906.80/245,957.40 = 107,907.45/x
  3. Step 3: Cross multiply
    163,906.80x = 245,957.40 × 107,907.45
  4. Step 4: Simplify right side
    163,906.80x = 26,540,635,842.63
  5. Step 5: Solve for x
    x = 26,540,635,842.63/163,906.80
  6. Step 6: Final answer
    x = 161,925.17

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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.