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Finding the Fourth Proportional to 124,992,203.60, 174,585,977.20 and 124,992,203.60

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Solution

The fourth proportional to 124,992,203.60, 174,585,977.20 and 124,992,203.60 is: 174,585,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,203.60 : 174,585,977.20 = 124,992,203.60 : x
  2. Step 2: Convert to fraction form
    124,992,203.60/174,585,977.20 = 124,992,203.60/x
  3. Step 3: Cross multiply
    124,992,203.60x = 174,585,977.20 × 124,992,203.60
  4. Step 4: Simplify right side
    124,992,203.60x = 21,821,886,007,887,356
  5. Step 5: Solve for x
    x = 21,821,886,007,887,356/124,992,203.60
  6. Step 6: Final answer
    x = 174,585,977.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.