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Finding the Fourth Proportional to 219,514.74, 302,913.72 and 124,030.32

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Solution

The fourth proportional to 219,514.74, 302,913.72 and 124,030.32 is: 171,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,514.74 : 302,913.72 = 124,030.32 : x
  2. Step 2: Convert to fraction form
    219,514.74/302,913.72 = 124,030.32/x
  3. Step 3: Cross multiply
    219,514.74x = 302,913.72 × 124,030.32
  4. Step 4: Simplify right side
    219,514.74x = 37,570,485,623.99
  5. Step 5: Solve for x
    x = 37,570,485,623.99/219,514.74
  6. Step 6: Final answer
    x = 171,152.45

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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.