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Finding the Fourth Proportional to 249,510.16, 374,345.16 and 89,478.28

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Solution

The fourth proportional to 249,510.16, 374,345.16 and 89,478.28 is: 134,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,510.16 : 374,345.16 = 89,478.28 : x
  2. Step 2: Convert to fraction form
    249,510.16/374,345.16 = 89,478.28/x
  3. Step 3: Cross multiply
    249,510.16x = 374,345.16 × 89,478.28
  4. Step 4: Simplify right side
    249,510.16x = 33,495,761,043.12
  5. Step 5: Solve for x
    x = 33,495,761,043.12/249,510.16
  6. Step 6: Final answer
    x = 134,246.08

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1.5x scale

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.