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Finding the Fourth Proportional to 219,952,570.48, 329,971,341.66 and 83,627,354.32

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Solution

The fourth proportional to 219,952,570.48, 329,971,341.66 and 83,627,354.32 is: 125,457,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,952,570.48 : 329,971,341.66 = 83,627,354.32 : x
  2. Step 2: Convert to fraction form
    219,952,570.48/329,971,341.66 = 83,627,354.32/x
  3. Step 3: Cross multiply
    219,952,570.48x = 329,971,341.66 × 83,627,354.32
  4. Step 4: Simplify right side
    219,952,570.48x = 27,594,630,304,446,596
  5. Step 5: Solve for x
    x = 27,594,630,304,446,596/219,952,570.48
  6. Step 6: Final answer
    x = 125,457,184.90

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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.