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Finding the Fourth Proportional to 16,423,203.60, 23,030,276.40 and 16,423,203.60

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Solution

The fourth proportional to 16,423,203.60, 23,030,276.40 and 16,423,203.60 is: 23,030,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423,203.60 : 23,030,276.40 = 16,423,203.60 : x
  2. Step 2: Convert to fraction form
    16,423,203.60/23,030,276.40 = 16,423,203.60/x
  3. Step 3: Cross multiply
    16,423,203.60x = 23,030,276.40 × 16,423,203.60
  4. Step 4: Simplify right side
    16,423,203.60x = 378,230,918,281,475
  5. Step 5: Solve for x
    x = 378,230,918,281,475/16,423,203.60
  6. Step 6: Final answer
    x = 23,030,276.40

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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.