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Finding the Fourth Proportional to 180,009.36, 248,428.08 and 104,553

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Solution

The fourth proportional to 180,009.36, 248,428.08 and 104,553 is: 144,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,009.36 : 248,428.08 = 104,553 : x
  2. Step 2: Convert to fraction form
    180,009.36/248,428.08 = 104,553/x
  3. Step 3: Cross multiply
    180,009.36x = 248,428.08 × 104,553
  4. Step 4: Simplify right side
    180,009.36x = 25,973,901,048.24
  5. Step 5: Solve for x
    x = 25,973,901,048.24/180,009.36
  6. Step 6: Final answer
    x = 144,291.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.