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Finding the Fourth Proportional to 249,482, 344,292.46 and 136,312.04

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Solution

The fourth proportional to 249,482, 344,292.46 and 136,312.04 is: 188,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,482 : 344,292.46 = 136,312.04 : x
  2. Step 2: Convert to fraction form
    249,482/344,292.46 = 136,312.04/x
  3. Step 3: Cross multiply
    249,482x = 344,292.46 × 136,312.04
  4. Step 4: Simplify right side
    249,482x = 46,931,207,579.22
  5. Step 5: Solve for x
    x = 46,931,207,579.22/249,482
  6. Step 6: Final answer
    x = 188,114.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.