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Finding the Fourth Proportional to 73,292,104.88, 109,938,094.80 and 18,704,686.04

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Solution

The fourth proportional to 73,292,104.88, 109,938,094.80 and 18,704,686.04 is: 28,057,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,104.88 : 109,938,094.80 = 18,704,686.04 : x
  2. Step 2: Convert to fraction form
    73,292,104.88/109,938,094.80 = 18,704,686.04/x
  3. Step 3: Cross multiply
    73,292,104.88x = 109,938,094.80 × 18,704,686.04
  4. Step 4: Simplify right side
    73,292,104.88x = 2,056,357,547,069,756.50
  5. Step 5: Solve for x
    x = 2,056,357,547,069,756.50/73,292,104.88
  6. Step 6: Final answer
    x = 28,057,013.10

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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.