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Finding the Fourth Proportional to 355,365.76, 533,140.98 and 106,047.76

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Solution

The fourth proportional to 355,365.76, 533,140.98 and 106,047.76 is: 159,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,365.76 : 533,140.98 = 106,047.76 : x
  2. Step 2: Convert to fraction form
    355,365.76/533,140.98 = 106,047.76/x
  3. Step 3: Cross multiply
    355,365.76x = 533,140.98 × 106,047.76
  4. Step 4: Simplify right side
    355,365.76x = 56,538,406,693.20
  5. Step 5: Solve for x
    x = 56,538,406,693.20/355,365.76
  6. Step 6: Final answer
    x = 159,099.20

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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.