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Finding the Fourth Proportional to 144,004.40, 215,929.80 and 60,804.40

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Solution

The fourth proportional to 144,004.40, 215,929.80 and 60,804.40 is: 91,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.40 : 215,929.80 = 60,804.40 : x
  2. Step 2: Convert to fraction form
    144,004.40/215,929.80 = 60,804.40/x
  3. Step 3: Cross multiply
    144,004.40x = 215,929.80 × 60,804.40
  4. Step 4: Simplify right side
    144,004.40x = 13,129,481,931.12
  5. Step 5: Solve for x
    x = 13,129,481,931.12/144,004.40
  6. Step 6: Final answer
    x = 91,174.17

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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.