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Finding the Fourth Proportional to 295,152,154.60, 442,728,231.90 and 90,679,901.80

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Solution

The fourth proportional to 295,152,154.60, 442,728,231.90 and 90,679,901.80 is: 136,019,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,152,154.60 : 442,728,231.90 = 90,679,901.80 : x
  2. Step 2: Convert to fraction form
    295,152,154.60/442,728,231.90 = 90,679,901.80/x
  3. Step 3: Cross multiply
    295,152,154.60x = 442,728,231.90 × 90,679,901.80
  4. Step 4: Simplify right side
    295,152,154.60x = 40,146,552,592,779,624
  5. Step 5: Solve for x
    x = 40,146,552,592,779,624/295,152,154.60
  6. Step 6: Final answer
    x = 136,019,852.70

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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.