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Finding the Fourth Proportional to 210,047.16, 289,853.52 and 119,390.52

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Solution

The fourth proportional to 210,047.16, 289,853.52 and 119,390.52 is: 164,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,047.16 : 289,853.52 = 119,390.52 : x
  2. Step 2: Convert to fraction form
    210,047.16/289,853.52 = 119,390.52/x
  3. Step 3: Cross multiply
    210,047.16x = 289,853.52 × 119,390.52
  4. Step 4: Simplify right side
    210,047.16x = 34,605,762,476.63
  5. Step 5: Solve for x
    x = 34,605,762,476.63/210,047.16
  6. Step 6: Final answer
    x = 164,752.35

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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.