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Finding the Fourth Proportional to 144,772.80, 217,159.20 and 97,533.60

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Solution

The fourth proportional to 144,772.80, 217,159.20 and 97,533.60 is: 146,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.80 : 217,159.20 = 97,533.60 : x
  2. Step 2: Convert to fraction form
    144,772.80/217,159.20 = 97,533.60/x
  3. Step 3: Cross multiply
    144,772.80x = 217,159.20 × 97,533.60
  4. Step 4: Simplify right side
    144,772.80x = 21,180,318,549.12
  5. Step 5: Solve for x
    x = 21,180,318,549.12/144,772.80
  6. Step 6: Final answer
    x = 146,300.40

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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.