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Finding the Fourth Proportional to 78,890,483.88, 108,866,779.32 and 44,083,460.34

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Solution

The fourth proportional to 78,890,483.88, 108,866,779.32 and 44,083,460.34 is: 60,834,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,890,483.88 : 108,866,779.32 = 44,083,460.34 : x
  2. Step 2: Convert to fraction form
    78,890,483.88/108,866,779.32 = 44,083,460.34/x
  3. Step 3: Cross multiply
    78,890,483.88x = 108,866,779.32 × 44,083,460.34
  4. Step 4: Simplify right side
    78,890,483.88x = 4,799,224,348,496,752
  5. Step 5: Solve for x
    x = 4,799,224,348,496,752/78,890,483.88
  6. Step 6: Final answer
    x = 60,834,008.27

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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.