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Finding the Fourth Proportional to 163,607.70, 245,411.55 and 124,241.70

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Solution

The fourth proportional to 163,607.70, 245,411.55 and 124,241.70 is: 186,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.70 : 245,411.55 = 124,241.70 : x
  2. Step 2: Convert to fraction form
    163,607.70/245,411.55 = 124,241.70/x
  3. Step 3: Cross multiply
    163,607.70x = 245,411.55 × 124,241.70
  4. Step 4: Simplify right side
    163,607.70x = 30,490,348,171.64
  5. Step 5: Solve for x
    x = 30,490,348,171.64/163,607.70
  6. Step 6: Final answer
    x = 186,362.55

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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.