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Finding the Fourth Proportional to 267,312, 368,890.54 and 146,457.87

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Solution

The fourth proportional to 267,312, 368,890.54 and 146,457.87 is: 202,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,312 : 368,890.54 = 146,457.87 : x
  2. Step 2: Convert to fraction form
    267,312/368,890.54 = 146,457.87/x
  3. Step 3: Cross multiply
    267,312x = 368,890.54 × 146,457.87
  4. Step 4: Simplify right side
    267,312x = 54,026,922,751.55
  5. Step 5: Solve for x
    x = 54,026,922,751.55/267,312
  6. Step 6: Final answer
    x = 202,111.85

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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.