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Finding the Fourth Proportional to 264,709.95, 365,298.53 and 143,848.95

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Solution

The fourth proportional to 264,709.95, 365,298.53 and 143,848.95 is: 198,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,709.95 : 365,298.53 = 143,848.95 : x
  2. Step 2: Convert to fraction form
    264,709.95/365,298.53 = 143,848.95/x
  3. Step 3: Cross multiply
    264,709.95x = 365,298.53 × 143,848.95
  4. Step 4: Simplify right side
    264,709.95x = 52,547,808,704.17
  5. Step 5: Solve for x
    x = 52,547,808,704.17/264,709.95
  6. Step 6: Final answer
    x = 198,510.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.