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Finding the Fourth Proportional to 65,549,809.80, 98,324,714.70 and 17,023,681.80

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Solution

The fourth proportional to 65,549,809.80, 98,324,714.70 and 17,023,681.80 is: 25,535,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549,809.80 : 98,324,714.70 = 17,023,681.80 : x
  2. Step 2: Convert to fraction form
    65,549,809.80/98,324,714.70 = 17,023,681.80/x
  3. Step 3: Cross multiply
    65,549,809.80x = 98,324,714.70 × 17,023,681.80
  4. Step 4: Simplify right side
    65,549,809.80x = 1,673,848,656,128,582.50
  5. Step 5: Solve for x
    x = 1,673,848,656,128,582.50/65,549,809.80
  6. Step 6: Final answer
    x = 25,535,522.70

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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.