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Finding the Fourth Proportional to 267,873.84, 369,574.12 and 153,070

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Solution

The fourth proportional to 267,873.84, 369,574.12 and 153,070 is: 211,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,873.84 : 369,574.12 = 153,070 : x
  2. Step 2: Convert to fraction form
    267,873.84/369,574.12 = 153,070/x
  3. Step 3: Cross multiply
    267,873.84x = 369,574.12 × 153,070
  4. Step 4: Simplify right side
    267,873.84x = 56,570,710,548.40
  5. Step 5: Solve for x
    x = 56,570,710,548.40/267,873.84
  6. Step 6: Final answer
    x = 211,184.16

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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.