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Finding the Fourth Proportional to 225,671,572.40, 338,507,358.60 and 96,531,409.40

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Solution

The fourth proportional to 225,671,572.40, 338,507,358.60 and 96,531,409.40 is: 144,797,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,671,572.40 : 338,507,358.60 = 96,531,409.40 : x
  2. Step 2: Convert to fraction form
    225,671,572.40/338,507,358.60 = 96,531,409.40/x
  3. Step 3: Cross multiply
    225,671,572.40x = 338,507,358.60 × 96,531,409.40
  4. Step 4: Simplify right side
    225,671,572.40x = 32,676,592,417,929,216
  5. Step 5: Solve for x
    x = 32,676,592,417,929,216/225,671,572.40
  6. Step 6: Final answer
    x = 144,797,114.10

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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.