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Finding the Fourth Proportional to 240,603.88, 360,955.62 and 72,117.40

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Solution

The fourth proportional to 240,603.88, 360,955.62 and 72,117.40 is: 108,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603.88 : 360,955.62 = 72,117.40 : x
  2. Step 2: Convert to fraction form
    240,603.88/360,955.62 = 72,117.40/x
  3. Step 3: Cross multiply
    240,603.88x = 360,955.62 × 72,117.40
  4. Step 4: Simplify right side
    240,603.88x = 26,031,180,829.79
  5. Step 5: Solve for x
    x = 26,031,180,829.79/240,603.88
  6. Step 6: Final answer
    x = 108,191.03

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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.