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Finding the Fourth Proportional to 84,572,842.80, 126,859,264.20 and 59,063,674.80

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Solution

The fourth proportional to 84,572,842.80, 126,859,264.20 and 59,063,674.80 is: 88,595,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,572,842.80 : 126,859,264.20 = 59,063,674.80 : x
  2. Step 2: Convert to fraction form
    84,572,842.80/126,859,264.20 = 59,063,674.80/x
  3. Step 3: Cross multiply
    84,572,842.80x = 126,859,264.20 × 59,063,674.80
  4. Step 4: Simplify right side
    84,572,842.80x = 7,492,774,326,076,082
  5. Step 5: Solve for x
    x = 7,492,774,326,076,082/84,572,842.80
  6. Step 6: Final answer
    x = 88,595,512.20

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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.