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Finding the Fourth Proportional to 163,493.83, 245,303.01 and 56,889.63

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Solution

The fourth proportional to 163,493.83, 245,303.01 and 56,889.63 is: 85,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,493.83 : 245,303.01 = 56,889.63 : x
  2. Step 2: Convert to fraction form
    163,493.83/245,303.01 = 56,889.63/x
  3. Step 3: Cross multiply
    163,493.83x = 245,303.01 × 56,889.63
  4. Step 4: Simplify right side
    163,493.83x = 13,955,197,476.79
  5. Step 5: Solve for x
    x = 13,955,197,476.79/163,493.83
  6. Step 6: Final answer
    x = 85,356.11

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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.