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Finding the Fourth Proportional to 172,384.22, 258,041.73 and 93,302.30

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Solution

The fourth proportional to 172,384.22, 258,041.73 and 93,302.30 is: 139,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,384.22 : 258,041.73 = 93,302.30 : x
  2. Step 2: Convert to fraction form
    172,384.22/258,041.73 = 93,302.30/x
  3. Step 3: Cross multiply
    172,384.22x = 258,041.73 × 93,302.30
  4. Step 4: Simplify right side
    172,384.22x = 24,075,886,904.98
  5. Step 5: Solve for x
    x = 24,075,886,904.98/172,384.22
  6. Step 6: Final answer
    x = 139,664.10

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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.