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Finding the Fourth Proportional to 249,043.77, 373,525.55 and 71,510.40

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Solution

The fourth proportional to 249,043.77, 373,525.55 and 71,510.40 is: 107,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,043.77 : 373,525.55 = 71,510.40 : x
  2. Step 2: Convert to fraction form
    249,043.77/373,525.55 = 71,510.40/x
  3. Step 3: Cross multiply
    249,043.77x = 373,525.55 × 71,510.40
  4. Step 4: Simplify right side
    249,043.77x = 26,710,961,133.17
  5. Step 5: Solve for x
    x = 26,710,961,133.17/249,043.77
  6. Step 6: Final answer
    x = 107,254.08

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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.