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Finding the Fourth Proportional to 160,466.40, 240,699.60 and 77,522.40

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Solution

The fourth proportional to 160,466.40, 240,699.60 and 77,522.40 is: 116,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,466.40 : 240,699.60 = 77,522.40 : x
  2. Step 2: Convert to fraction form
    160,466.40/240,699.60 = 77,522.40/x
  3. Step 3: Cross multiply
    160,466.40x = 240,699.60 × 77,522.40
  4. Step 4: Simplify right side
    160,466.40x = 18,659,610,671.04
  5. Step 5: Solve for x
    x = 18,659,610,671.04/160,466.40
  6. Step 6: Final answer
    x = 116,283.60

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1.5x scale

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.