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Finding the Fourth Proportional to 267,124.48, 368,641.71 and 152,421.80

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Solution

The fourth proportional to 267,124.48, 368,641.71 and 152,421.80 is: 210,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,124.48 : 368,641.71 = 152,421.80 : x
  2. Step 2: Convert to fraction form
    267,124.48/368,641.71 = 152,421.80/x
  3. Step 3: Cross multiply
    267,124.48x = 368,641.71 × 152,421.80
  4. Step 4: Simplify right side
    267,124.48x = 56,189,031,150.07
  5. Step 5: Solve for x
    x = 56,189,031,150.07/267,124.48
  6. Step 6: Final answer
    x = 210,347.74

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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.