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Finding the Fourth Proportional to 173,602.86, 260,425.10 and 61,259.88

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Solution

The fourth proportional to 173,602.86, 260,425.10 and 61,259.88 is: 91,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.86 : 260,425.10 = 61,259.88 : x
  2. Step 2: Convert to fraction form
    173,602.86/260,425.10 = 61,259.88/x
  3. Step 3: Cross multiply
    173,602.86x = 260,425.10 × 61,259.88
  4. Step 4: Simplify right side
    173,602.86x = 15,953,610,374.99
  5. Step 5: Solve for x
    x = 15,953,610,374.99/173,602.86
  6. Step 6: Final answer
    x = 91,897.16

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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.