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Finding the Fourth Proportional to 163,598.10, 245,402.61 and 45,259.53

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Solution

The fourth proportional to 163,598.10, 245,402.61 and 45,259.53 is: 67,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,598.10 : 245,402.61 = 45,259.53 : x
  2. Step 2: Convert to fraction form
    163,598.10/245,402.61 = 45,259.53/x
  3. Step 3: Cross multiply
    163,598.10x = 245,402.61 × 45,259.53
  4. Step 4: Simplify right side
    163,598.10x = 11,106,805,699.39
  5. Step 5: Solve for x
    x = 11,106,805,699.39/163,598.10
  6. Step 6: Final answer
    x = 67,890.80

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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.