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Finding the Fourth Proportional to 224,690.66, 310,075.23 and 127,889.79

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Solution

The fourth proportional to 224,690.66, 310,075.23 and 127,889.79 is: 176,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,690.66 : 310,075.23 = 127,889.79 : x
  2. Step 2: Convert to fraction form
    224,690.66/310,075.23 = 127,889.79/x
  3. Step 3: Cross multiply
    224,690.66x = 310,075.23 × 127,889.79
  4. Step 4: Simplify right side
    224,690.66x = 39,655,453,859.08
  5. Step 5: Solve for x
    x = 39,655,453,859.08/224,690.66
  6. Step 6: Final answer
    x = 176,489.11

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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.