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Finding the Fourth Proportional to 163,901.12, 245,893.93 and 89,002.04

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Solution

The fourth proportional to 163,901.12, 245,893.93 and 89,002.04 is: 133,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,901.12 : 245,893.93 = 89,002.04 : x
  2. Step 2: Convert to fraction form
    163,901.12/245,893.93 = 89,002.04/x
  3. Step 3: Cross multiply
    163,901.12x = 245,893.93 × 89,002.04
  4. Step 4: Simplify right side
    163,901.12x = 21,885,059,941.64
  5. Step 5: Solve for x
    x = 21,885,059,941.64/163,901.12
  6. Step 6: Final answer
    x = 133,526.00

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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.