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Finding the Fourth Proportional to 253,708,201.80, 380,562,302.70 and 124,568,038.80

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Solution

The fourth proportional to 253,708,201.80, 380,562,302.70 and 124,568,038.80 is: 186,852,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,708,201.80 : 380,562,302.70 = 124,568,038.80 : x
  2. Step 2: Convert to fraction form
    253,708,201.80/380,562,302.70 = 124,568,038.80/x
  3. Step 3: Cross multiply
    253,708,201.80x = 380,562,302.70 × 124,568,038.80
  4. Step 4: Simplify right side
    253,708,201.80x = 47,405,899,688,550,944
  5. Step 5: Solve for x
    x = 47,405,899,688,550,944/253,708,201.80
  6. Step 6: Final answer
    x = 186,852,058.20

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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.