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Finding the Fourth Proportional to 249,364.92, 344,148.36 and 148,762.92

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Solution

The fourth proportional to 249,364.92, 344,148.36 and 148,762.92 is: 205,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,364.92 : 344,148.36 = 148,762.92 : x
  2. Step 2: Convert to fraction form
    249,364.92/344,148.36 = 148,762.92/x
  3. Step 3: Cross multiply
    249,364.92x = 344,148.36 × 148,762.92
  4. Step 4: Simplify right side
    249,364.92x = 51,196,514,946.81
  5. Step 5: Solve for x
    x = 51,196,514,946.81/249,364.92
  6. Step 6: Final answer
    x = 205,307.61

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1.5x scale

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.