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Finding the Fourth Proportional to 53,152,843.20, 74,615,534.40 and 53,152,843.20

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Solution

The fourth proportional to 53,152,843.20, 74,615,534.40 and 53,152,843.20 is: 74,615,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,843.20 : 74,615,534.40 = 53,152,843.20 : x
  2. Step 2: Convert to fraction form
    53,152,843.20/74,615,534.40 = 53,152,843.20/x
  3. Step 3: Cross multiply
    53,152,843.20x = 74,615,534.40 × 53,152,843.20
  4. Step 4: Simplify right side
    53,152,843.20x = 3,966,027,800,247,406.50
  5. Step 5: Solve for x
    x = 3,966,027,800,247,406.50/53,152,843.20
  6. Step 6: Final answer
    x = 74,615,534.40

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1.5x scale

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.