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Finding the Fourth Proportional to 163,977.60, 245,966.40 and 97,622.40

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Solution

The fourth proportional to 163,977.60, 245,966.40 and 97,622.40 is: 146,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,977.60 : 245,966.40 = 97,622.40 : x
  2. Step 2: Convert to fraction form
    163,977.60/245,966.40 = 97,622.40/x
  3. Step 3: Cross multiply
    163,977.60x = 245,966.40 × 97,622.40
  4. Step 4: Simplify right side
    163,977.60x = 24,011,830,287.36
  5. Step 5: Solve for x
    x = 24,011,830,287.36/163,977.60
  6. Step 6: Final answer
    x = 146,433.60

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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.