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Finding the Fourth Proportional to 249,444.74, 374,314.73 and 91,783.91

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Solution

The fourth proportional to 249,444.74, 374,314.73 and 91,783.91 is: 137,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,444.74 : 374,314.73 = 91,783.91 : x
  2. Step 2: Convert to fraction form
    249,444.74/374,314.73 = 91,783.91/x
  3. Step 3: Cross multiply
    249,444.74x = 374,314.73 × 91,783.91
  4. Step 4: Simplify right side
    249,444.74x = 34,356,067,159.50
  5. Step 5: Solve for x
    x = 34,356,067,159.50/249,444.74
  6. Step 6: Final answer
    x = 137,730.18

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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.