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Finding the Fourth Proportional to 191,503.66, 287,510.02 and 163,603.04

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Solution

The fourth proportional to 191,503.66, 287,510.02 and 163,603.04 is: 245,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,503.66 : 287,510.02 = 163,603.04 : x
  2. Step 2: Convert to fraction form
    191,503.66/287,510.02 = 163,603.04/x
  3. Step 3: Cross multiply
    191,503.66x = 287,510.02 × 163,603.04
  4. Step 4: Simplify right side
    191,503.66x = 47,037,513,302.46
  5. Step 5: Solve for x
    x = 47,037,513,302.46/191,503.66
  6. Step 6: Final answer
    x = 245,622.01

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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.