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Finding the Fourth Proportional to 101,661,640.80, 152,492,461.20 and 94,646,619.60

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Solution

The fourth proportional to 101,661,640.80, 152,492,461.20 and 94,646,619.60 is: 141,969,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,661,640.80 : 152,492,461.20 = 94,646,619.60 : x
  2. Step 2: Convert to fraction form
    101,661,640.80/152,492,461.20 = 94,646,619.60/x
  3. Step 3: Cross multiply
    101,661,640.80x = 152,492,461.20 × 94,646,619.60
  4. Step 4: Simplify right side
    101,661,640.80x = 14,432,895,967,064,158
  5. Step 5: Solve for x
    x = 14,432,895,967,064,158/101,661,640.80
  6. Step 6: Final answer
    x = 141,969,929.40

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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.