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Finding the Fourth Proportional to 170,392.95, 235,004.49 and 163,503.90

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Solution

The fourth proportional to 170,392.95, 235,004.49 and 163,503.90 is: 225,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,392.95 : 235,004.49 = 163,503.90 : x
  2. Step 2: Convert to fraction form
    170,392.95/235,004.49 = 163,503.90/x
  3. Step 3: Cross multiply
    170,392.95x = 235,004.49 × 163,503.90
  4. Step 4: Simplify right side
    170,392.95x = 38,424,150,632.51
  5. Step 5: Solve for x
    x = 38,424,150,632.51/170,392.95
  6. Step 6: Final answer
    x = 225,503.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.