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Finding the Fourth Proportional to 165,960,014.60, 249,128,978.70 and 97,841,088.20

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Solution

The fourth proportional to 165,960,014.60, 249,128,978.70 and 97,841,088.20 is: 146,873,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,960,014.60 : 249,128,978.70 = 97,841,088.20 : x
  2. Step 2: Convert to fraction form
    165,960,014.60/249,128,978.70 = 97,841,088.20/x
  3. Step 3: Cross multiply
    165,960,014.60x = 249,128,978.70 × 97,841,088.20
  4. Step 4: Simplify right side
    165,960,014.60x = 24,375,050,378,162,620
  5. Step 5: Solve for x
    x = 24,375,050,378,162,620/165,960,014.60
  6. Step 6: Final answer
    x = 146,873,031.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.