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Finding the Fourth Proportional to 77,597.40, 116,543.72 and 48,220.51

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Solution

The fourth proportional to 77,597.40, 116,543.72 and 48,220.51 is: 72,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,597.40 : 116,543.72 = 48,220.51 : x
  2. Step 2: Convert to fraction form
    77,597.40/116,543.72 = 48,220.51/x
  3. Step 3: Cross multiply
    77,597.40x = 116,543.72 × 48,220.51
  4. Step 4: Simplify right side
    77,597.40x = 5,619,797,615.70
  5. Step 5: Solve for x
    x = 5,619,797,615.70/77,597.40
  6. Step 6: Final answer
    x = 72,422.50

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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.