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Finding the Fourth Proportional to 242,557,359.60, 363,836,039.40 and 70,039,801.20

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Solution

The fourth proportional to 242,557,359.60, 363,836,039.40 and 70,039,801.20 is: 105,059,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,557,359.60 : 363,836,039.40 = 70,039,801.20 : x
  2. Step 2: Convert to fraction form
    242,557,359.60/363,836,039.40 = 70,039,801.20/x
  3. Step 3: Cross multiply
    242,557,359.60x = 363,836,039.40 × 70,039,801.20
  4. Step 4: Simplify right side
    242,557,359.60x = 25,483,003,868,971,368
  5. Step 5: Solve for x
    x = 25,483,003,868,971,368/242,557,359.60
  6. Step 6: Final answer
    x = 105,059,701.80

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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.