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Finding the Fourth Proportional to 157,323.04, 216,893.52 and 152,430.88

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Solution

The fourth proportional to 157,323.04, 216,893.52 and 152,430.88 is: 210,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,323.04 : 216,893.52 = 152,430.88 : x
  2. Step 2: Convert to fraction form
    157,323.04/216,893.52 = 152,430.88/x
  3. Step 3: Cross multiply
    157,323.04x = 216,893.52 × 152,430.88
  4. Step 4: Simplify right side
    157,323.04x = 33,061,270,119.90
  5. Step 5: Solve for x
    x = 33,061,270,119.90/157,323.04
  6. Step 6: Final answer
    x = 210,148.94

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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.