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Finding the Fourth Proportional to 235,762.95, 353,729.69 and 145,700.25

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Solution

The fourth proportional to 235,762.95, 353,729.69 and 145,700.25 is: 218,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,762.95 : 353,729.69 = 145,700.25 : x
  2. Step 2: Convert to fraction form
    235,762.95/353,729.69 = 145,700.25/x
  3. Step 3: Cross multiply
    235,762.95x = 353,729.69 × 145,700.25
  4. Step 4: Simplify right side
    235,762.95x = 51,538,503,536.92
  5. Step 5: Solve for x
    x = 51,538,503,536.92/235,762.95
  6. Step 6: Final answer
    x = 218,603.07

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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.