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Finding the Fourth Proportional to 249,483.42, 374,212.98 and 91,701.90

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Solution

The fourth proportional to 249,483.42, 374,212.98 and 91,701.90 is: 137,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,483.42 : 374,212.98 = 91,701.90 : x
  2. Step 2: Convert to fraction form
    249,483.42/374,212.98 = 91,701.90/x
  3. Step 3: Cross multiply
    249,483.42x = 374,212.98 × 91,701.90
  4. Step 4: Simplify right side
    249,483.42x = 34,316,041,270.66
  5. Step 5: Solve for x
    x = 34,316,041,270.66/249,483.42
  6. Step 6: Final answer
    x = 137,548.38

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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.