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Finding the Fourth Proportional to 245,925.50, 368,887.64 and 77,459.94

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Solution

The fourth proportional to 245,925.50, 368,887.64 and 77,459.94 is: 116,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,925.50 : 368,887.64 = 77,459.94 : x
  2. Step 2: Convert to fraction form
    245,925.50/368,887.64 = 77,459.94/x
  3. Step 3: Cross multiply
    245,925.50x = 368,887.64 × 77,459.94
  4. Step 4: Simplify right side
    245,925.50x = 28,574,014,073.84
  5. Step 5: Solve for x
    x = 28,574,014,073.84/245,925.50
  6. Step 6: Final answer
    x = 116,189.72

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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.