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Finding the Fourth Proportional to 210,075.93, 289,879.56 and 119,432.07

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Solution

The fourth proportional to 210,075.93, 289,879.56 and 119,432.07 is: 164,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,075.93 : 289,879.56 = 119,432.07 : x
  2. Step 2: Convert to fraction form
    210,075.93/289,879.56 = 119,432.07/x
  3. Step 3: Cross multiply
    210,075.93x = 289,879.56 × 119,432.07
  4. Step 4: Simplify right side
    210,075.93x = 34,620,915,901.49
  5. Step 5: Solve for x
    x = 34,620,915,901.49/210,075.93
  6. Step 6: Final answer
    x = 164,801.92

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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.