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Finding the Fourth Proportional to 185,957.64, 256,620.12 and 101,075.30

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Solution

The fourth proportional to 185,957.64, 256,620.12 and 101,075.30 is: 139,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,957.64 : 256,620.12 = 101,075.30 : x
  2. Step 2: Convert to fraction form
    185,957.64/256,620.12 = 101,075.30/x
  3. Step 3: Cross multiply
    185,957.64x = 256,620.12 × 101,075.30
  4. Step 4: Simplify right side
    185,957.64x = 25,937,955,615.04
  5. Step 5: Solve for x
    x = 25,937,955,615.04/185,957.64
  6. Step 6: Final answer
    x = 139,483.14

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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.