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Finding the Fourth Proportional to 249,706.04, 374,570 and 72,231

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Solution

The fourth proportional to 249,706.04, 374,570 and 72,231 is: 108,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,706.04 : 374,570 = 72,231 : x
  2. Step 2: Convert to fraction form
    249,706.04/374,570 = 72,231/x
  3. Step 3: Cross multiply
    249,706.04x = 374,570 × 72,231
  4. Step 4: Simplify right side
    249,706.04x = 27,055,565,670
  5. Step 5: Solve for x
    x = 27,055,565,670/249,706.04
  6. Step 6: Final answer
    x = 108,349.66

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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.