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Finding the Fourth Proportional to 103,592,798.60, 155,389,197.90 and 99,169,809.80

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Solution

The fourth proportional to 103,592,798.60, 155,389,197.90 and 99,169,809.80 is: 148,754,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592,798.60 : 155,389,197.90 = 99,169,809.80 : x
  2. Step 2: Convert to fraction form
    103,592,798.60/155,389,197.90 = 99,169,809.80/x
  3. Step 3: Cross multiply
    103,592,798.60x = 155,389,197.90 × 99,169,809.80
  4. Step 4: Simplify right side
    103,592,798.60x = 15,409,917,200,717,560
  5. Step 5: Solve for x
    x = 15,409,917,200,717,560/103,592,798.60
  6. Step 6: Final answer
    x = 148,754,714.70

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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.