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Finding the Fourth Proportional to 249,312.02, 374,104.11 and 144,336.02

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Solution

The fourth proportional to 249,312.02, 374,104.11 and 144,336.02 is: 216,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,312.02 : 374,104.11 = 144,336.02 : x
  2. Step 2: Convert to fraction form
    249,312.02/374,104.11 = 144,336.02/x
  3. Step 3: Cross multiply
    249,312.02x = 374,104.11 × 144,336.02
  4. Step 4: Simplify right side
    249,312.02x = 53,996,698,303.04
  5. Step 5: Solve for x
    x = 53,996,698,303.04/249,312.02
  6. Step 6: Final answer
    x = 216,582.81

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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.