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Finding the Fourth Proportional to 173,633.40, 260,304.30 and 90,527.40

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Solution

The fourth proportional to 173,633.40, 260,304.30 and 90,527.40 is: 135,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,633.40 : 260,304.30 = 90,527.40 : x
  2. Step 2: Convert to fraction form
    173,633.40/260,304.30 = 90,527.40/x
  3. Step 3: Cross multiply
    173,633.40x = 260,304.30 × 90,527.40
  4. Step 4: Simplify right side
    173,633.40x = 23,564,671,487.82
  5. Step 5: Solve for x
    x = 23,564,671,487.82/173,633.40
  6. Step 6: Final answer
    x = 135,715.08

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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.