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Finding the Fourth Proportional to 180,007.60, 270,011.40 and 97,063.60

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Solution

The fourth proportional to 180,007.60, 270,011.40 and 97,063.60 is: 145,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,007.60 : 270,011.40 = 97,063.60 : x
  2. Step 2: Convert to fraction form
    180,007.60/270,011.40 = 97,063.60/x
  3. Step 3: Cross multiply
    180,007.60x = 270,011.40 × 97,063.60
  4. Step 4: Simplify right side
    180,007.60x = 26,208,278,525.04
  5. Step 5: Solve for x
    x = 26,208,278,525.04/180,007.60
  6. Step 6: Final answer
    x = 145,595.40

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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.