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Finding the Fourth Proportional to 70,963,360.80, 106,445,041.20 and 17,110,672.80

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Solution

The fourth proportional to 70,963,360.80, 106,445,041.20 and 17,110,672.80 is: 25,666,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963,360.80 : 106,445,041.20 = 17,110,672.80 : x
  2. Step 2: Convert to fraction form
    70,963,360.80/106,445,041.20 = 17,110,672.80/x
  3. Step 3: Cross multiply
    70,963,360.80x = 106,445,041.20 × 17,110,672.80
  4. Step 4: Simplify right side
    70,963,360.80x = 1,821,346,271,155,719.50
  5. Step 5: Solve for x
    x = 1,821,346,271,155,719.50/70,963,360.80
  6. Step 6: Final answer
    x = 25,666,009.20

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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.