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Finding the Fourth Proportional to 249,691,429.60, 374,602,462.80 and 96,342,488.80

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Solution

The fourth proportional to 249,691,429.60, 374,602,462.80 and 96,342,488.80 is: 144,538,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,691,429.60 : 374,602,462.80 = 96,342,488.80 : x
  2. Step 2: Convert to fraction form
    249,691,429.60/374,602,462.80 = 96,342,488.80/x
  3. Step 3: Cross multiply
    249,691,429.60x = 374,602,462.80 × 96,342,488.80
  4. Step 4: Simplify right side
    249,691,429.60x = 36,090,133,576,761,416
  5. Step 5: Solve for x
    x = 36,090,133,576,761,416/249,691,429.60
  6. Step 6: Final answer
    x = 144,538,936.06

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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.