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Finding the Fourth Proportional to 92,772,048.03, 139,158,072.05 and 92,772,048.03

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Solution

The fourth proportional to 92,772,048.03, 139,158,072.05 and 92,772,048.03 is: 139,158,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,048.03 : 139,158,072.05 = 92,772,048.03 : x
  2. Step 2: Convert to fraction form
    92,772,048.03/139,158,072.05 = 92,772,048.03/x
  3. Step 3: Cross multiply
    92,772,048.03x = 139,158,072.05 × 92,772,048.03
  4. Step 4: Simplify right side
    92,772,048.03x = 12,909,979,343,984,802
  5. Step 5: Solve for x
    x = 12,909,979,343,984,802/92,772,048.03
  6. Step 6: Final answer
    x = 139,158,072.05

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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.