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Finding the Fourth Proportional to 163,597.75, 245,402.09 and 45,259.18

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Solution

The fourth proportional to 163,597.75, 245,402.09 and 45,259.18 is: 67,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,597.75 : 245,402.09 = 45,259.18 : x
  2. Step 2: Convert to fraction form
    163,597.75/245,402.09 = 45,259.18/x
  3. Step 3: Cross multiply
    163,597.75x = 245,402.09 × 45,259.18
  4. Step 4: Simplify right side
    163,597.75x = 11,106,697,363.69
  5. Step 5: Solve for x
    x = 11,106,697,363.69/163,597.75
  6. Step 6: Final answer
    x = 67,890.28

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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.