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Finding the Fourth Proportional to 186,657,004.90, 260,715,145.10 and 186,657,004.90

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Solution

The fourth proportional to 186,657,004.90, 260,715,145.10 and 186,657,004.90 is: 260,715,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,657,004.90 : 260,715,145.10 = 186,657,004.90 : x
  2. Step 2: Convert to fraction form
    186,657,004.90/260,715,145.10 = 186,657,004.90/x
  3. Step 3: Cross multiply
    186,657,004.90x = 260,715,145.10 × 186,657,004.90
  4. Step 4: Simplify right side
    186,657,004.90x = 48,664,308,116,434,912
  5. Step 5: Solve for x
    x = 48,664,308,116,434,912/186,657,004.90
  6. Step 6: Final answer
    x = 260,715,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.