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Finding the Fourth Proportional to 375,642,001.80, 563,463,002.70 and 103,012,331.40

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Solution

The fourth proportional to 375,642,001.80, 563,463,002.70 and 103,012,331.40 is: 154,518,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,642,001.80 : 563,463,002.70 = 103,012,331.40 : x
  2. Step 2: Convert to fraction form
    375,642,001.80/563,463,002.70 = 103,012,331.40/x
  3. Step 3: Cross multiply
    375,642,001.80x = 563,463,002.70 × 103,012,331.40
  4. Step 4: Simplify right side
    375,642,001.80x = 58,043,637,565,771,504
  5. Step 5: Solve for x
    x = 58,043,637,565,771,504/375,642,001.80
  6. Step 6: Final answer
    x = 154,518,497.10

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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.