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Finding the Fourth Proportional to 166,069,985.37, 249,104,978.05 and 166,069,985.37

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Solution

The fourth proportional to 166,069,985.37, 249,104,978.05 and 166,069,985.37 is: 249,104,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069,985.37 : 249,104,978.05 = 166,069,985.37 : x
  2. Step 2: Convert to fraction form
    166,069,985.37/249,104,978.05 = 166,069,985.37/x
  3. Step 3: Cross multiply
    166,069,985.37x = 249,104,978.05 × 166,069,985.37
  4. Step 4: Simplify right side
    166,069,985.37x = 41,368,860,058,281,800
  5. Step 5: Solve for x
    x = 41,368,860,058,281,800/166,069,985.37
  6. Step 6: Final answer
    x = 249,104,978.05

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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.