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Finding the Fourth Proportional to 174,390, 261,623.88 and 63,582

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Solution

The fourth proportional to 174,390, 261,623.88 and 63,582 is: 95,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,390 : 261,623.88 = 63,582 : x
  2. Step 2: Convert to fraction form
    174,390/261,623.88 = 63,582/x
  3. Step 3: Cross multiply
    174,390x = 261,623.88 × 63,582
  4. Step 4: Simplify right side
    174,390x = 16,634,569,538.16
  5. Step 5: Solve for x
    x = 16,634,569,538.16/174,390
  6. Step 6: Final answer
    x = 95,387.18

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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.