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Finding the Fourth Proportional to 144,476.10, 216,710.10 and 65,590.20

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Solution

The fourth proportional to 144,476.10, 216,710.10 and 65,590.20 is: 98,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,476.10 : 216,710.10 = 65,590.20 : x
  2. Step 2: Convert to fraction form
    144,476.10/216,710.10 = 65,590.20/x
  3. Step 3: Cross multiply
    144,476.10x = 216,710.10 × 65,590.20
  4. Step 4: Simplify right side
    144,476.10x = 14,214,058,801.02
  5. Step 5: Solve for x
    x = 14,214,058,801.02/144,476.10
  6. Step 6: Final answer
    x = 98,383.46

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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.