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Finding the Fourth Proportional to 356,070.88, 534,106.33 and 119,412.88

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Solution

The fourth proportional to 356,070.88, 534,106.33 and 119,412.88 is: 179,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,070.88 : 534,106.33 = 119,412.88 : x
  2. Step 2: Convert to fraction form
    356,070.88/534,106.33 = 119,412.88/x
  3. Step 3: Cross multiply
    356,070.88x = 534,106.33 × 119,412.88
  4. Step 4: Simplify right side
    356,070.88x = 63,779,174,791.98
  5. Step 5: Solve for x
    x = 63,779,174,791.98/356,070.88
  6. Step 6: Final answer
    x = 179,119.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.