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Finding the Fourth Proportional to 219,543.69, 302,962.56 and 124,048.32

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Solution

The fourth proportional to 219,543.69, 302,962.56 and 124,048.32 is: 171,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.69 : 302,962.56 = 124,048.32 : x
  2. Step 2: Convert to fraction form
    219,543.69/302,962.56 = 124,048.32/x
  3. Step 3: Cross multiply
    219,543.69x = 302,962.56 × 124,048.32
  4. Step 4: Simplify right side
    219,543.69x = 37,581,996,590.90
  5. Step 5: Solve for x
    x = 37,581,996,590.90/219,543.69
  6. Step 6: Final answer
    x = 171,182.31

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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.